Finding the Fourth Proportional to 283,598.28, 424,996.20 and 157,294.08
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Solution
The fourth proportional to 283,598.28, 424,996.20 and 157,294.08 is: 235,718.59
Step by Step Solution
- Step 1: Write the proportion equation
283,598.28 : 424,996.20 = 157,294.08 : x - Step 2: Convert to fraction form
283,598.28/424,996.20 = 157,294.08/x - Step 3: Cross multiply
283,598.28x = 424,996.20 × 157,294.08 - Step 4: Simplify right side
283,598.28x = 66,849,386,282.50 - Step 5: Solve for x
x = 66,849,386,282.50/283,598.28 - Step 6: Final answer
x = 235,718.59
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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.