Finding the Fourth Proportional to 173,829.01, 239,908.34 and 125,587.07
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Solution
The fourth proportional to 173,829.01, 239,908.34 and 125,587.07 is: 173,327.72
Step by Step Solution
- Step 1: Write the proportion equation
173,829.01 : 239,908.34 = 125,587.07 : x - Step 2: Convert to fraction form
173,829.01/239,908.34 = 125,587.07/x - Step 3: Cross multiply
173,829.01x = 239,908.34 × 125,587.07 - Step 4: Simplify right side
173,829.01x = 30,129,386,402.90 - Step 5: Solve for x
x = 30,129,386,402.90/173,829.01 - Step 6: Final answer
x = 173,327.72
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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.