Finding the Fourth Proportional to 310,956.34, 466,432.97 and 121,435.95
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Solution
The fourth proportional to 310,956.34, 466,432.97 and 121,435.95 is: 182,153.32
Step by Step Solution
- Step 1: Write the proportion equation
310,956.34 : 466,432.97 = 121,435.95 : x - Step 2: Convert to fraction form
310,956.34/466,432.97 = 121,435.95/x - Step 3: Cross multiply
310,956.34x = 466,432.97 × 121,435.95 - Step 4: Simplify right side
310,956.34x = 56,641,730,823.27 - Step 5: Solve for x
x = 56,641,730,823.27/310,956.34 - Step 6: Final answer
x = 182,153.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.