Finding the Fourth Proportional to 409,554.20, 614,331.30 and 232,407.20
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Solution
The fourth proportional to 409,554.20, 614,331.30 and 232,407.20 is: 348,610.80
Step by Step Solution
- Step 1: Write the proportion equation
409,554.20 : 614,331.30 = 232,407.20 : x - Step 2: Convert to fraction form
409,554.20/614,331.30 = 232,407.20/x - Step 3: Cross multiply
409,554.20x = 614,331.30 × 232,407.20 - Step 4: Simplify right side
409,554.20x = 142,775,017,305.36 - Step 5: Solve for x
x = 142,775,017,305.36/409,554.20 - Step 6: Final answer
x = 348,610.80
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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.