Finding the Fourth Proportional to 272,387.33, 375,038.88 and 231,465.14
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Solution
The fourth proportional to 272,387.33, 375,038.88 and 231,465.14 is: 318,694.80
Step by Step Solution
- Step 1: Write the proportion equation
272,387.33 : 375,038.88 = 231,465.14 : x - Step 2: Convert to fraction form
272,387.33/375,038.88 = 231,465.14/x - Step 3: Cross multiply
272,387.33x = 375,038.88 × 231,465.14 - Step 4: Simplify right side
272,387.33x = 86,808,426,864.64 - Step 5: Solve for x
x = 86,808,426,864.64/272,387.33 - Step 6: Final answer
x = 318,694.80
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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.