Finding the Fourth Proportional to 170,152.61, 255,228.95 and 70,202.99
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Solution
The fourth proportional to 170,152.61, 255,228.95 and 70,202.99 is: 105,304.49
Step by Step Solution
- Step 1: Write the proportion equation
170,152.61 : 255,228.95 = 70,202.99 : x - Step 2: Convert to fraction form
170,152.61/255,228.95 = 70,202.99/x - Step 3: Cross multiply
170,152.61x = 255,228.95 × 70,202.99 - Step 4: Simplify right side
170,152.61x = 17,917,833,797.40 - Step 5: Solve for x
x = 17,917,833,797.40/170,152.61 - Step 6: Final answer
x = 105,304.49
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.