Finding the Fourth Proportional to 247,915.98, 371,726.12 and 98,177.76
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Solution
The fourth proportional to 247,915.98, 371,726.12 and 98,177.76 is: 147,208.09
Step by Step Solution
- Step 1: Write the proportion equation
247,915.98 : 371,726.12 = 98,177.76 : x - Step 2: Convert to fraction form
247,915.98/371,726.12 = 98,177.76/x - Step 3: Cross multiply
247,915.98x = 371,726.12 × 98,177.76 - Step 4: Simplify right side
247,915.98x = 36,495,237,795.09 - Step 5: Solve for x
x = 36,495,237,795.09/247,915.98 - Step 6: Final answer
x = 147,208.09
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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.