Finding the Fourth Proportional to 457,432.17, 631,260.12 and 253,486.53
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Solution
The fourth proportional to 457,432.17, 631,260.12 and 253,486.53 is: 349,813.48
Step by Step Solution
- Step 1: Write the proportion equation
457,432.17 : 631,260.12 = 253,486.53 : x - Step 2: Convert to fraction form
457,432.17/631,260.12 = 253,486.53/x - Step 3: Cross multiply
457,432.17x = 631,260.12 × 253,486.53 - Step 4: Simplify right side
457,432.17x = 160,015,937,346.18 - Step 5: Solve for x
x = 160,015,937,346.18/457,432.17 - Step 6: Final answer
x = 349,813.48
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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.