Finding the Fourth Proportional to 270,686.87, 373,462.00 and 157,487.75
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Solution
The fourth proportional to 270,686.87, 373,462.00 and 157,487.75 is: 217,283.12
Step by Step Solution
- Step 1: Write the proportion equation
270,686.87 : 373,462.00 = 157,487.75 : x - Step 2: Convert to fraction form
270,686.87/373,462.00 = 157,487.75/x - Step 3: Cross multiply
270,686.87x = 373,462.00 × 157,487.75 - Step 4: Simplify right side
270,686.87x = 58,815,687,829.47 - Step 5: Solve for x
x = 58,815,687,829.47/270,686.87 - Step 6: Final answer
x = 217,283.12
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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.