Finding the Fourth Proportional to 491,985.99, 738,212.27 and 292,700.07
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Solution
The fourth proportional to 491,985.99, 738,212.27 and 292,700.07 is: 439,188.89
Step by Step Solution
- Step 1: Write the proportion equation
491,985.99 : 738,212.27 = 292,700.07 : x - Step 2: Convert to fraction form
491,985.99/738,212.27 = 292,700.07/x - Step 3: Cross multiply
491,985.99x = 738,212.27 × 292,700.07 - Step 4: Simplify right side
491,985.99x = 216,074,781,640.36 - Step 5: Solve for x
x = 216,074,781,640.36/491,985.99 - Step 6: Final answer
x = 439,188.89
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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.