Finding the Fourth Proportional to 318,531.98, 439,574.19 and 175,292.02
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Solution
The fourth proportional to 318,531.98, 439,574.19 and 175,292.02 is: 241,903.02
Step by Step Solution
- Step 1: Write the proportion equation
318,531.98 : 439,574.19 = 175,292.02 : x - Step 2: Convert to fraction form
318,531.98/439,574.19 = 175,292.02/x - Step 3: Cross multiply
318,531.98x = 439,574.19 × 175,292.02 - Step 4: Simplify right side
318,531.98x = 77,053,849,035.66 - Step 5: Solve for x
x = 77,053,849,035.66/318,531.98 - Step 6: Final answer
x = 241,903.02
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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.