Finding the Fourth Proportional to 434,575.20, 651,862.80 and 368,309.10
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Solution
The fourth proportional to 434,575.20, 651,862.80 and 368,309.10 is: 552,463.65
Step by Step Solution
- Step 1: Write the proportion equation
434,575.20 : 651,862.80 = 368,309.10 : x - Step 2: Convert to fraction form
434,575.20/651,862.80 = 368,309.10/x - Step 3: Cross multiply
434,575.20x = 651,862.80 × 368,309.10 - Step 4: Simplify right side
434,575.20x = 240,087,001,191.48 - Step 5: Solve for x
x = 240,087,001,191.48/434,575.20 - Step 6: Final answer
x = 552,463.65
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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.