Finding the Fourth Proportional to 185,129.88, 277,507.86 and 72,888.87
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Solution
The fourth proportional to 185,129.88, 277,507.86 and 72,888.87 is: 109,259.70
Step by Step Solution
- Step 1: Write the proportion equation
185,129.88 : 277,507.86 = 72,888.87 : x - Step 2: Convert to fraction form
185,129.88/277,507.86 = 72,888.87/x - Step 3: Cross multiply
185,129.88x = 277,507.86 × 72,888.87 - Step 4: Simplify right side
185,129.88x = 20,227,234,331.52 - Step 5: Solve for x
x = 20,227,234,331.52/185,129.88 - Step 6: Final answer
x = 109,259.70
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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.