Finding the Fourth Proportional to 467,124.71, 644,632.08 and 252,264.75
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Solution
The fourth proportional to 467,124.71, 644,632.08 and 252,264.75 is: 348,125.34
Step by Step Solution
- Step 1: Write the proportion equation
467,124.71 : 644,632.08 = 252,264.75 : x - Step 2: Convert to fraction form
467,124.71/644,632.08 = 252,264.75/x - Step 3: Cross multiply
467,124.71x = 644,632.08 × 252,264.75 - Step 4: Simplify right side
467,124.71x = 162,617,950,503.18 - Step 5: Solve for x
x = 162,617,950,503.18/467,124.71 - Step 6: Final answer
x = 348,125.34
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1.5x scale
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.