Finding the Fourth Proportional to 498,897.76, 748,353.12 and 166,473.76
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Solution
The fourth proportional to 498,897.76, 748,353.12 and 166,473.76 is: 249,712.80
Step by Step Solution
- Step 1: Write the proportion equation
498,897.76 : 748,353.12 = 166,473.76 : x - Step 2: Convert to fraction form
498,897.76/748,353.12 = 166,473.76/x - Step 3: Cross multiply
498,897.76x = 748,353.12 × 166,473.76 - Step 4: Simplify right side
498,897.76x = 124,581,157,694.13 - Step 5: Solve for x
x = 124,581,157,694.13/498,897.76 - Step 6: Final answer
x = 249,712.80
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1.5x scale
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.