Finding the Fourth Proportional to 318,397.06, 439,374.09 and 175,148.02
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Solution
The fourth proportional to 318,397.06, 439,374.09 and 175,148.02 is: 241,696.65
Step by Step Solution
- Step 1: Write the proportion equation
318,397.06 : 439,374.09 = 175,148.02 : x - Step 2: Convert to fraction form
318,397.06/439,374.09 = 175,148.02/x - Step 3: Cross multiply
318,397.06x = 439,374.09 × 175,148.02 - Step 4: Simplify right side
318,397.06x = 76,955,501,902.80 - Step 5: Solve for x
x = 76,955,501,902.80/318,397.06 - Step 6: Final answer
x = 241,696.65
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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.