Finding the Fourth Proportional to 426,347.64, 588,352.68 and 235,356.12
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Solution
The fourth proportional to 426,347.64, 588,352.68 and 235,356.12 is: 324,787.55
Step by Step Solution
- Step 1: Write the proportion equation
426,347.64 : 588,352.68 = 235,356.12 : x - Step 2: Convert to fraction form
426,347.64/588,352.68 = 235,356.12/x - Step 3: Cross multiply
426,347.64x = 588,352.68 × 235,356.12 - Step 4: Simplify right side
426,347.64x = 138,472,403,956.40 - Step 5: Solve for x
x = 138,472,403,956.40/426,347.64 - Step 6: Final answer
x = 324,787.55
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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.