Finding the Fourth Proportional to 356,238.61, 534,379.78 and 156,652.99
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Solution
The fourth proportional to 356,238.61, 534,379.78 and 156,652.99 is: 234,989.10
Step by Step Solution
- Step 1: Write the proportion equation
356,238.61 : 534,379.78 = 156,652.99 : x - Step 2: Convert to fraction form
356,238.61/534,379.78 = 156,652.99/x - Step 3: Cross multiply
356,238.61x = 534,379.78 × 156,652.99 - Step 4: Simplify right side
356,238.61x = 83,712,189,192.41 - Step 5: Solve for x
x = 83,712,189,192.41/356,238.61 - Step 6: Final answer
x = 234,989.10
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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.