Finding the Fourth Proportional to 318,599.97, 439,668.08 and 175,358.99
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Solution
The fourth proportional to 318,599.97, 439,668.08 and 175,358.99 is: 241,995.46
Step by Step Solution
- Step 1: Write the proportion equation
318,599.97 : 439,668.08 = 175,358.99 : x - Step 2: Convert to fraction form
318,599.97/439,668.08 = 175,358.99/x - Step 3: Cross multiply
318,599.97x = 439,668.08 × 175,358.99 - Step 4: Simplify right side
318,599.97x = 77,099,747,368.90 - Step 5: Solve for x
x = 77,099,747,368.90/318,599.97 - Step 6: Final answer
x = 241,995.46
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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.