Finding the Fourth Proportional to 310,352.29, 464,882.58 and 299,645.71
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Solution
The fourth proportional to 310,352.29, 464,882.58 and 299,645.71 is: 448,844.99
Step by Step Solution
- Step 1: Write the proportion equation
310,352.29 : 464,882.58 = 299,645.71 : x - Step 2: Convert to fraction form
310,352.29/464,882.58 = 299,645.71/x - Step 3: Cross multiply
310,352.29x = 464,882.58 × 299,645.71 - Step 4: Simplify right side
310,352.29x = 139,300,070,750.73 - Step 5: Solve for x
x = 139,300,070,750.73/310,352.29 - Step 6: Final answer
x = 448,844.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.