Finding the Fourth Proportional to 247,422.58, 371,135.95 and 69,925.62
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Solution
The fourth proportional to 247,422.58, 371,135.95 and 69,925.62 is: 104,889.02
Step by Step Solution
- Step 1: Write the proportion equation
247,422.58 : 371,135.95 = 69,925.62 : x - Step 2: Convert to fraction form
247,422.58/371,135.95 = 69,925.62/x - Step 3: Cross multiply
247,422.58x = 371,135.95 × 69,925.62 - Step 4: Simplify right side
247,422.58x = 25,951,911,408.04 - Step 5: Solve for x
x = 25,951,911,408.04/247,422.58 - Step 6: Final answer
x = 104,889.02
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1.5x scale
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.