Finding the Fourth Proportional to 480,248.18, 662,767.99 and 276,330.08
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Solution
The fourth proportional to 480,248.18, 662,767.99 and 276,330.08 is: 381,350.18
Step by Step Solution
- Step 1: Write the proportion equation
480,248.18 : 662,767.99 = 276,330.08 : x - Step 2: Convert to fraction form
480,248.18/662,767.99 = 276,330.08/x - Step 3: Cross multiply
480,248.18x = 662,767.99 × 276,330.08 - Step 4: Simplify right side
480,248.18x = 183,142,727,693.47 - Step 5: Solve for x
x = 183,142,727,693.47/480,248.18 - Step 6: Final answer
x = 381,350.18
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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.