Finding the Fourth Proportional to 356,516.68, 534,686.94 and 156,887.08
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Solution
The fourth proportional to 356,516.68, 534,686.94 and 156,887.08 is: 235,291.86
Step by Step Solution
- Step 1: Write the proportion equation
356,516.68 : 534,686.94 = 156,887.08 : x - Step 2: Convert to fraction form
356,516.68/534,686.94 = 156,887.08/x - Step 3: Cross multiply
356,516.68x = 534,686.94 × 156,887.08 - Step 4: Simplify right side
356,516.68x = 83,885,472,730.74 - Step 5: Solve for x
x = 83,885,472,730.74/356,516.68 - Step 6: Final answer
x = 235,291.86
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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.