Finding the Fourth Proportional to 317,521.05, 438,177.51 and 174,283.53
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Solution
The fourth proportional to 317,521.05, 438,177.51 and 174,283.53 is: 240,510.43
Step by Step Solution
- Step 1: Write the proportion equation
317,521.05 : 438,177.51 = 174,283.53 : x - Step 2: Convert to fraction form
317,521.05/438,177.51 = 174,283.53/x - Step 3: Cross multiply
317,521.05x = 438,177.51 × 174,283.53 - Step 4: Simplify right side
317,521.05x = 76,367,123,209.41 - Step 5: Solve for x
x = 76,367,123,209.41/317,521.05 - Step 6: Final answer
x = 240,510.43
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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.