Finding the Fourth Proportional to 320,691.40, 481,203.08 and 232,671.40
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Solution
The fourth proportional to 320,691.40, 481,203.08 and 232,671.40 is: 349,127.52
Step by Step Solution
- Step 1: Write the proportion equation
320,691.40 : 481,203.08 = 232,671.40 : x - Step 2: Convert to fraction form
320,691.40/481,203.08 = 232,671.40/x - Step 3: Cross multiply
320,691.40x = 481,203.08 × 232,671.40 - Step 4: Simplify right side
320,691.40x = 111,962,194,307.91 - Step 5: Solve for x
x = 111,962,194,307.91/320,691.40 - Step 6: Final answer
x = 349,127.52
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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.