Finding the Fourth Proportional to 572,888.88, 859,333.68 and 217,820.88
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Solution
The fourth proportional to 572,888.88, 859,333.68 and 217,820.88 is: 326,731.46
Step by Step Solution
- Step 1: Write the proportion equation
572,888.88 : 859,333.68 = 217,820.88 : x - Step 2: Convert to fraction form
572,888.88/859,333.68 = 217,820.88/x - Step 3: Cross multiply
572,888.88x = 859,333.68 × 217,820.88 - Step 4: Simplify right side
572,888.88x = 187,180,818,391.24 - Step 5: Solve for x
x = 187,180,818,391.24/572,888.88 - Step 6: Final answer
x = 326,731.46
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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.