Finding the Fourth Proportional to 572,203.40, 858,305.10 and 151,521.80
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Solution
The fourth proportional to 572,203.40, 858,305.10 and 151,521.80 is: 227,282.70
Step by Step Solution
- Step 1: Write the proportion equation
572,203.40 : 858,305.10 = 151,521.80 : x - Step 2: Convert to fraction form
572,203.40/858,305.10 = 151,521.80/x - Step 3: Cross multiply
572,203.40x = 858,305.10 × 151,521.80 - Step 4: Simplify right side
572,203.40x = 130,051,933,701.18 - Step 5: Solve for x
x = 130,051,933,701.18/572,203.40 - Step 6: Final answer
x = 227,282.70
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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.