Finding the Fourth Proportional to 288,618.02, 432,970.05 and 88,921.70
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Solution
The fourth proportional to 288,618.02, 432,970.05 and 88,921.70 is: 133,395.80
Step by Step Solution
- Step 1: Write the proportion equation
288,618.02 : 432,970.05 = 88,921.70 : x - Step 2: Convert to fraction form
288,618.02/432,970.05 = 88,921.70/x - Step 3: Cross multiply
288,618.02x = 432,970.05 × 88,921.70 - Step 4: Simplify right side
288,618.02x = 38,500,432,895.09 - Step 5: Solve for x
x = 38,500,432,895.09/288,618.02 - Step 6: Final answer
x = 133,395.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.