Finding the Fourth Proportional to 425,746.80, 587,534.68 and 234,766.96
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Solution
The fourth proportional to 425,746.80, 587,534.68 and 234,766.96 is: 323,980.66
Step by Step Solution
- Step 1: Write the proportion equation
425,746.80 : 587,534.68 = 234,766.96 : x - Step 2: Convert to fraction form
425,746.80/587,534.68 = 234,766.96/x - Step 3: Cross multiply
425,746.80x = 587,534.68 × 234,766.96 - Step 4: Simplify right side
425,746.80x = 137,933,730,718.17 - Step 5: Solve for x
x = 137,933,730,718.17/425,746.80 - Step 6: Final answer
x = 323,980.66
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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.