Finding the Fourth Proportional to 283,117.30, 424,675.95 and 194,643.70
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Solution
The fourth proportional to 283,117.30, 424,675.95 and 194,643.70 is: 291,965.55
Step by Step Solution
- Step 1: Write the proportion equation
283,117.30 : 424,675.95 = 194,643.70 : x - Step 2: Convert to fraction form
283,117.30/424,675.95 = 194,643.70/x - Step 3: Cross multiply
283,117.30x = 424,675.95 × 194,643.70 - Step 4: Simplify right side
283,117.30x = 82,660,498,209.02 - Step 5: Solve for x
x = 82,660,498,209.02/283,117.30 - Step 6: Final answer
x = 291,965.55
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Similar ratio
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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.