Finding the Fourth Proportional to 314,870.48, 472,307.84 and 115,108.68
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Solution
The fourth proportional to 314,870.48, 472,307.84 and 115,108.68 is: 172,663.80
Step by Step Solution
- Step 1: Write the proportion equation
314,870.48 : 472,307.84 = 115,108.68 : x - Step 2: Convert to fraction form
314,870.48/472,307.84 = 115,108.68/x - Step 3: Cross multiply
314,870.48x = 472,307.84 × 115,108.68 - Step 4: Simplify right side
314,870.48x = 54,366,732,016.05 - Step 5: Solve for x
x = 54,366,732,016.05/314,870.48 - Step 6: Final answer
x = 172,663.80
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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.