Finding the Fourth Proportional to 155,156.61, 232,753.14 and 55,331.00
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Solution
The fourth proportional to 155,156.61, 232,753.14 and 55,331.00 is: 83,002.99
Step by Step Solution
- Step 1: Write the proportion equation
155,156.61 : 232,753.14 = 55,331.00 : x - Step 2: Convert to fraction form
155,156.61/232,753.14 = 55,331.00/x - Step 3: Cross multiply
155,156.61x = 232,753.14 × 55,331.00 - Step 4: Simplify right side
155,156.61x = 12,878,462,548.92 - Step 5: Solve for x
x = 12,878,462,548.92/155,156.61 - Step 6: Final answer
x = 83,002.99
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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.