Finding the Fourth Proportional to 156,911.48, 216,593.36 and 93,248.52
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Solution
The fourth proportional to 156,911.48, 216,593.36 and 93,248.52 is: 128,715.95
Step by Step Solution
- Step 1: Write the proportion equation
156,911.48 : 216,593.36 = 93,248.52 : x - Step 2: Convert to fraction form
156,911.48/216,593.36 = 93,248.52/x - Step 3: Cross multiply
156,911.48x = 216,593.36 × 93,248.52 - Step 4: Simplify right side
156,911.48x = 20,197,010,261.83 - Step 5: Solve for x
x = 20,197,010,261.83/156,911.48 - Step 6: Final answer
x = 128,715.95
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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.