Finding the Fourth Proportional to 495,101.68, 742,691.76 and 140,117.92
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Solution
The fourth proportional to 495,101.68, 742,691.76 and 140,117.92 is: 210,187.99
Step by Step Solution
- Step 1: Write the proportion equation
495,101.68 : 742,691.76 = 140,117.92 : x - Step 2: Convert to fraction form
495,101.68/742,691.76 = 140,117.92/x - Step 3: Cross multiply
495,101.68x = 742,691.76 × 140,117.92 - Step 4: Simplify right side
495,101.68x = 104,064,424,612.34 - Step 5: Solve for x
x = 104,064,424,612.34/495,101.68 - Step 6: Final answer
x = 210,187.99
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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.