Finding the Fourth Proportional to 268,374.62, 402,519.65 and 223,073.23
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Solution
The fourth proportional to 268,374.62, 402,519.65 and 223,073.23 is: 334,574.70
Step by Step Solution
- Step 1: Write the proportion equation
268,374.62 : 402,519.65 = 223,073.23 : x - Step 2: Convert to fraction form
268,374.62/402,519.65 = 223,073.23/x - Step 3: Cross multiply
268,374.62x = 402,519.65 × 223,073.23 - Step 4: Simplify right side
268,374.62x = 89,791,357,009.05 - Step 5: Solve for x
x = 89,791,357,009.05/268,374.62 - Step 6: Final answer
x = 334,574.70
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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.