Finding the Fourth Proportional to 425,115.73, 586,686.21 and 234,129.07
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Solution
The fourth proportional to 425,115.73, 586,686.21 and 234,129.07 is: 323,112.71
Step by Step Solution
- Step 1: Write the proportion equation
425,115.73 : 586,686.21 = 234,129.07 : x - Step 2: Convert to fraction form
425,115.73/586,686.21 = 234,129.07/x - Step 3: Cross multiply
425,115.73x = 586,686.21 × 234,129.07 - Step 4: Simplify right side
425,115.73x = 137,360,294,381.02 - Step 5: Solve for x
x = 137,360,294,381.02/425,115.73 - Step 6: Final answer
x = 323,112.71
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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.