Finding the Fourth Proportional to 138,750.02, 208,124.87 and 38,924.99
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Solution
The fourth proportional to 138,750.02, 208,124.87 and 38,924.99 is: 58,387.43
Step by Step Solution
- Step 1: Write the proportion equation
138,750.02 : 208,124.87 = 38,924.99 : x - Step 2: Convert to fraction form
138,750.02/208,124.87 = 38,924.99/x - Step 3: Cross multiply
138,750.02x = 208,124.87 × 38,924.99 - Step 4: Simplify right side
138,750.02x = 8,101,257,248.25 - Step 5: Solve for x
x = 8,101,257,248.25/138,750.02 - Step 6: Final answer
x = 58,387.43
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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.