Finding the Fourth Proportional to 288,439.47, 432,071.69 and 235,320.75
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Solution
The fourth proportional to 288,439.47, 432,071.69 and 235,320.75 is: 352,501.80
Step by Step Solution
- Step 1: Write the proportion equation
288,439.47 : 432,071.69 = 235,320.75 : x - Step 2: Convert to fraction form
288,439.47/432,071.69 = 235,320.75/x - Step 3: Cross multiply
288,439.47x = 432,071.69 × 235,320.75 - Step 4: Simplify right side
288,439.47x = 101,675,432,967.96 - Step 5: Solve for x
x = 101,675,432,967.96/288,439.47 - Step 6: Final answer
x = 352,501.80
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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.