Finding the Fourth Proportional to 239,216.76, 358,825.12 and 98,979.02
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Solution
The fourth proportional to 239,216.76, 358,825.12 and 98,979.02 is: 148,468.52
Step by Step Solution
- Step 1: Write the proportion equation
239,216.76 : 358,825.12 = 98,979.02 : x - Step 2: Convert to fraction form
239,216.76/358,825.12 = 98,979.02/x - Step 3: Cross multiply
239,216.76x = 358,825.12 × 98,979.02 - Step 4: Simplify right side
239,216.76x = 35,516,158,728.98 - Step 5: Solve for x
x = 35,516,158,728.98/239,216.76 - Step 6: Final answer
x = 148,468.52
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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.