Finding the Fourth Proportional to 571,587.19, 857,381.20 and 145,154.99
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Solution
The fourth proportional to 571,587.19, 857,381.20 and 145,154.99 is: 217,732.59
Step by Step Solution
- Step 1: Write the proportion equation
571,587.19 : 857,381.20 = 145,154.99 : x - Step 2: Convert to fraction form
571,587.19/857,381.20 = 145,154.99/x - Step 3: Cross multiply
571,587.19x = 857,381.20 × 145,154.99 - Step 4: Simplify right side
571,587.19x = 124,453,161,292.75 - Step 5: Solve for x
x = 124,453,161,292.75/571,587.19 - Step 6: Final answer
x = 217,732.59
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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.