Finding the Fourth Proportional to 152,319.41, 210,207.35 and 84,336.38
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Solution
The fourth proportional to 152,319.41, 210,207.35 and 84,336.38 is: 116,387.84
Step by Step Solution
- Step 1: Write the proportion equation
152,319.41 : 210,207.35 = 84,336.38 : x - Step 2: Convert to fraction form
152,319.41/210,207.35 = 84,336.38/x - Step 3: Cross multiply
152,319.41x = 210,207.35 × 84,336.38 - Step 4: Simplify right side
152,319.41x = 17,728,126,948.39 - Step 5: Solve for x
x = 17,728,126,948.39/152,319.41 - Step 6: Final answer
x = 116,387.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.