Finding the Fourth Proportional to 493,327.16, 680,793.62 and 266,972.68
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Solution
The fourth proportional to 493,327.16, 680,793.62 and 266,972.68 is: 368,423.46
Step by Step Solution
- Step 1: Write the proportion equation
493,327.16 : 680,793.62 = 266,972.68 : x - Step 2: Convert to fraction form
493,327.16/680,793.62 = 266,972.68/x - Step 3: Cross multiply
493,327.16x = 680,793.62 × 266,972.68 - Step 4: Simplify right side
493,327.16x = 181,753,297,258.30 - Step 5: Solve for x
x = 181,753,297,258.30/493,327.16 - Step 6: Final answer
x = 368,423.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.