Finding the Fourth Proportional to 302,752.80, 453,934.80 and 125,330.40
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Solution
The fourth proportional to 302,752.80, 453,934.80 and 125,330.40 is: 187,915.12
Step by Step Solution
- Step 1: Write the proportion equation
302,752.80 : 453,934.80 = 125,330.40 : x - Step 2: Convert to fraction form
302,752.80/453,934.80 = 125,330.40/x - Step 3: Cross multiply
302,752.80x = 453,934.80 × 125,330.40 - Step 4: Simplify right side
302,752.80x = 56,891,830,057.92 - Step 5: Solve for x
x = 56,891,830,057.92/302,752.80 - Step 6: Final answer
x = 187,915.12
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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.