Finding the Fourth Proportional to 495,092.68, 742,678.28 and 140,108.92
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Solution
The fourth proportional to 495,092.68, 742,678.28 and 140,108.92 is: 210,174.49
Step by Step Solution
- Step 1: Write the proportion equation
495,092.68 : 742,678.28 = 140,108.92 : x - Step 2: Convert to fraction form
495,092.68/742,678.28 = 140,108.92/x - Step 3: Cross multiply
495,092.68x = 742,678.28 × 140,108.92 - Step 4: Simplify right side
495,092.68x = 104,055,851,718.26 - Step 5: Solve for x
x = 104,055,851,718.26/495,092.68 - Step 6: Final answer
x = 210,174.49
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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.