Finding the Fourth Proportional to 247,918,693.80, 371,878,040.70 and 232,802,149.80
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Solution
The fourth proportional to 247,918,693.80, 371,878,040.70 and 232,802,149.80 is: 349,203,224.70
Step by Step Solution
- Step 1: Write the proportion equation
247,918,693.80 : 371,878,040.70 = 232,802,149.80 : x - Step 2: Convert to fraction form
247,918,693.80/371,878,040.70 = 232,802,149.80/x - Step 3: Cross multiply
247,918,693.80x = 371,878,040.70 × 232,802,149.80 - Step 4: Simplify right side
247,918,693.80x = 86,574,007,338,371,904 - Step 5: Solve for x
x = 86,574,007,338,371,904/247,918,693.80 - Step 6: Final answer
x = 349,203,224.70
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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.