Finding the Fourth Proportional to 126,332.08, 189,398.16 and 47,437.52
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Solution
The fourth proportional to 126,332.08, 189,398.16 and 47,437.52 is: 71,118.75
Step by Step Solution
- Step 1: Write the proportion equation
126,332.08 : 189,398.16 = 47,437.52 : x - Step 2: Convert to fraction form
126,332.08/189,398.16 = 47,437.52/x - Step 3: Cross multiply
126,332.08x = 189,398.16 × 47,437.52 - Step 4: Simplify right side
126,332.08x = 8,984,579,002.96 - Step 5: Solve for x
x = 8,984,579,002.96/126,332.08 - Step 6: Final answer
x = 71,118.75
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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.