Finding the Fourth Proportional to 316,470.07, 436,729.17 and 173,239.17
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Solution
The fourth proportional to 316,470.07, 436,729.17 and 173,239.17 is: 239,070.31
Step by Step Solution
- Step 1: Write the proportion equation
316,470.07 : 436,729.17 = 173,239.17 : x - Step 2: Convert to fraction form
316,470.07/436,729.17 = 173,239.17/x - Step 3: Cross multiply
316,470.07x = 436,729.17 × 173,239.17 - Step 4: Simplify right side
316,470.07x = 75,658,598,925.59 - Step 5: Solve for x
x = 75,658,598,925.59/316,470.07 - Step 6: Final answer
x = 239,070.31
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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.