Finding the Fourth Proportional to 292,019.99, 438,027.35 and 92,340.61
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Solution
The fourth proportional to 292,019.99, 438,027.35 and 92,340.61 is: 138,510.08
Step by Step Solution
- Step 1: Write the proportion equation
292,019.99 : 438,027.35 = 92,340.61 : x - Step 2: Convert to fraction form
292,019.99/438,027.35 = 92,340.61/x - Step 3: Cross multiply
292,019.99x = 438,027.35 × 92,340.61 - Step 4: Simplify right side
292,019.99x = 40,447,711,138.91 - Step 5: Solve for x
x = 40,447,711,138.91/292,019.99 - Step 6: Final answer
x = 138,510.08
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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.