Finding the Fourth Proportional to 163,532.80, 245,266.80 and 79,292.80
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Solution
The fourth proportional to 163,532.80, 245,266.80 and 79,292.80 is: 118,923.49
Step by Step Solution
- Step 1: Write the proportion equation
163,532.80 : 245,266.80 = 79,292.80 : x - Step 2: Convert to fraction form
163,532.80/245,266.80 = 79,292.80/x - Step 3: Cross multiply
163,532.80x = 245,266.80 × 79,292.80 - Step 4: Simplify right side
163,532.80x = 19,447,891,319.04 - Step 5: Solve for x
x = 19,447,891,319.04/163,532.80 - Step 6: Final answer
x = 118,923.49
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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.