Finding the Fourth Proportional to 472,191.07, 651,624.17 and 257,331.30
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Solution
The fourth proportional to 472,191.07, 651,624.17 and 257,331.30 is: 355,117.47
Step by Step Solution
- Step 1: Write the proportion equation
472,191.07 : 651,624.17 = 257,331.30 : x - Step 2: Convert to fraction form
472,191.07/651,624.17 = 257,331.30/x - Step 3: Cross multiply
472,191.07x = 651,624.17 × 257,331.30 - Step 4: Simplify right side
472,191.07x = 167,683,297,269.10 - Step 5: Solve for x
x = 167,683,297,269.10/472,191.07 - Step 6: Final answer
x = 355,117.47
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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.