Finding the Fourth Proportional to 376,774.10, 520,084.95 and 249,490.70
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Solution
The fourth proportional to 376,774.10, 520,084.95 and 249,490.70 is: 344,387.68
Step by Step Solution
- Step 1: Write the proportion equation
376,774.10 : 520,084.95 = 249,490.70 : x - Step 2: Convert to fraction form
376,774.10/520,084.95 = 249,490.70/x - Step 3: Cross multiply
376,774.10x = 520,084.95 × 249,490.70 - Step 4: Simplify right side
376,774.10x = 129,756,358,234.97 - Step 5: Solve for x
x = 129,756,358,234.97/376,774.10 - Step 6: Final answer
x = 344,387.68
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1.5x scale
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.