Finding the Fourth Proportional to 499,898.80, 749,848.20 and 125,921.80
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Solution
The fourth proportional to 499,898.80, 749,848.20 and 125,921.80 is: 188,882.70
Step by Step Solution
- Step 1: Write the proportion equation
499,898.80 : 749,848.20 = 125,921.80 : x - Step 2: Convert to fraction form
499,898.80/749,848.20 = 125,921.80/x - Step 3: Cross multiply
499,898.80x = 749,848.20 × 125,921.80 - Step 4: Simplify right side
499,898.80x = 94,422,235,070.76 - Step 5: Solve for x
x = 94,422,235,070.76/499,898.80 - Step 6: Final answer
x = 188,882.70
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.