Finding the Fourth Proportional to 425,671.47, 587,430.60 and 234,691.68
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Solution
The fourth proportional to 425,671.47, 587,430.60 and 234,691.68 is: 323,876.71
Step by Step Solution
- Step 1: Write the proportion equation
425,671.47 : 587,430.60 = 234,691.68 : x - Step 2: Convert to fraction form
425,671.47/587,430.60 = 234,691.68/x - Step 3: Cross multiply
425,671.47x = 587,430.60 × 234,691.68 - Step 4: Simplify right side
425,671.47x = 137,865,074,397.41 - Step 5: Solve for x
x = 137,865,074,397.41/425,671.47 - Step 6: Final answer
x = 323,876.71
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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.