Finding the Fourth Proportional to 495,423.08, 683,685.12 and 291,481.68
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Solution
The fourth proportional to 495,423.08, 683,685.12 and 291,481.68 is: 402,245.47
Step by Step Solution
- Step 1: Write the proportion equation
495,423.08 : 683,685.12 = 291,481.68 : x - Step 2: Convert to fraction form
495,423.08/683,685.12 = 291,481.68/x - Step 3: Cross multiply
495,423.08x = 683,685.12 × 291,481.68 - Step 4: Simplify right side
495,423.08x = 199,281,687,368.60 - Step 5: Solve for x
x = 199,281,687,368.60/495,423.08 - Step 6: Final answer
x = 402,245.47
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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.