Finding the Fourth Proportional to 318,346.14, 439,308.49 and 175,106.17
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Solution
The fourth proportional to 318,346.14, 439,308.49 and 175,106.17 is: 241,641.46
Step by Step Solution
- Step 1: Write the proportion equation
318,346.14 : 439,308.49 = 175,106.17 : x - Step 2: Convert to fraction form
318,346.14/439,308.49 = 175,106.17/x - Step 3: Cross multiply
318,346.14x = 439,308.49 × 175,106.17 - Step 4: Simplify right side
318,346.14x = 76,925,627,132.38 - Step 5: Solve for x
x = 76,925,627,132.38/318,346.14 - Step 6: Final answer
x = 241,641.46
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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.