Finding the Fourth Proportional to 374,937.51, 517,412.28 and 202,854.90
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Solution
The fourth proportional to 374,937.51, 517,412.28 and 202,854.90 is: 279,938.96
Step by Step Solution
- Step 1: Write the proportion equation
374,937.51 : 517,412.28 = 202,854.90 : x - Step 2: Convert to fraction form
374,937.51/517,412.28 = 202,854.90/x - Step 3: Cross multiply
374,937.51x = 517,412.28 × 202,854.90 - Step 4: Simplify right side
374,937.51x = 104,959,616,318.17 - Step 5: Solve for x
x = 104,959,616,318.17/374,937.51 - Step 6: Final answer
x = 279,938.96
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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.