Finding the Fourth Proportional to 150,557.53, 207,750.25 and 86,030.95
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Solution
The fourth proportional to 150,557.53, 207,750.25 and 86,030.95 is: 118,711.77
Step by Step Solution
- Step 1: Write the proportion equation
150,557.53 : 207,750.25 = 86,030.95 : x - Step 2: Convert to fraction form
150,557.53/207,750.25 = 86,030.95/x - Step 3: Cross multiply
150,557.53x = 207,750.25 × 86,030.95 - Step 4: Simplify right side
150,557.53x = 17,872,951,370.24 - Step 5: Solve for x
x = 17,872,951,370.24/150,557.53 - Step 6: Final answer
x = 118,711.77
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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.