Finding the Fourth Proportional to 176,417.15, 243,402.02 and 99,924.08
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Solution
The fourth proportional to 176,417.15, 243,402.02 and 99,924.08 is: 137,864.85
Step by Step Solution
- Step 1: Write the proportion equation
176,417.15 : 243,402.02 = 99,924.08 : x - Step 2: Convert to fraction form
176,417.15/243,402.02 = 99,924.08/x - Step 3: Cross multiply
176,417.15x = 243,402.02 × 99,924.08 - Step 4: Simplify right side
176,417.15x = 24,321,723,027.53 - Step 5: Solve for x
x = 24,321,723,027.53/176,417.15 - Step 6: Final answer
x = 137,864.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.