Finding the Fourth Proportional to 425,318.23, 586,938.84 and 234,331.63
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Solution
The fourth proportional to 425,318.23, 586,938.84 and 234,331.63 is: 323,377.47
Step by Step Solution
- Step 1: Write the proportion equation
425,318.23 : 586,938.84 = 234,331.63 : x - Step 2: Convert to fraction form
425,318.23/586,938.84 = 234,331.63/x - Step 3: Cross multiply
425,318.23x = 586,938.84 × 234,331.63 - Step 4: Simplify right side
425,318.23x = 137,538,335,087.51 - Step 5: Solve for x
x = 137,538,335,087.51/425,318.23 - Step 6: Final answer
x = 323,377.47
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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.