Finding the Fourth Proportional to 318,372.69, 439,344.99 and 175,132.65
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Solution
The fourth proportional to 318,372.69, 439,344.99 and 175,132.65 is: 241,677.93
Step by Step Solution
- Step 1: Write the proportion equation
318,372.69 : 439,344.99 = 175,132.65 : x - Step 2: Convert to fraction form
318,372.69/439,344.99 = 175,132.65/x - Step 3: Cross multiply
318,372.69x = 439,344.99 × 175,132.65 - Step 4: Simplify right side
318,372.69x = 76,943,652,362.92 - Step 5: Solve for x
x = 76,943,652,362.92/318,372.69 - Step 6: Final answer
x = 241,677.93
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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.