Finding the Fourth Proportional to 392,553.80, 588,830.70 and 97,065.80
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Solution
The fourth proportional to 392,553.80, 588,830.70 and 97,065.80 is: 145,598.70
Step by Step Solution
- Step 1: Write the proportion equation
392,553.80 : 588,830.70 = 97,065.80 : x - Step 2: Convert to fraction form
392,553.80/588,830.70 = 97,065.80/x - Step 3: Cross multiply
392,553.80x = 588,830.70 × 97,065.80 - Step 4: Simplify right side
392,553.80x = 57,155,322,960.06 - Step 5: Solve for x
x = 57,155,322,960.06/392,553.80 - Step 6: Final answer
x = 145,598.70
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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.