Finding the Fourth Proportional to 439,952.87, 607,135.35 and 238,748.87
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Solution
The fourth proportional to 439,952.87, 607,135.35 and 238,748.87 is: 329,473.65
Step by Step Solution
- Step 1: Write the proportion equation
439,952.87 : 607,135.35 = 238,748.87 : x - Step 2: Convert to fraction form
439,952.87/607,135.35 = 238,748.87/x - Step 3: Cross multiply
439,952.87x = 607,135.35 × 238,748.87 - Step 4: Simplify right side
439,952.87x = 144,952,874,520.13 - Step 5: Solve for x
x = 144,952,874,520.13/439,952.87 - Step 6: Final answer
x = 329,473.65
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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.