Finding the Fourth Proportional to 310,630.73, 465,263.12 and 256,711.61
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Solution
The fourth proportional to 310,630.73, 465,263.12 and 256,711.61 is: 384,502.99
Step by Step Solution
- Step 1: Write the proportion equation
310,630.73 : 465,263.12 = 256,711.61 : x - Step 2: Convert to fraction form
310,630.73/465,263.12 = 256,711.61/x - Step 3: Cross multiply
310,630.73x = 465,263.12 × 256,711.61 - Step 4: Simplify right side
310,630.73x = 119,438,440,998.95 - Step 5: Solve for x
x = 119,438,440,998.95/310,630.73 - Step 6: Final answer
x = 384,502.99
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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.