Finding the Fourth Proportional to 137,444.08, 205,971.70 and 58,478.80
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Solution
The fourth proportional to 137,444.08, 205,971.70 and 58,478.80 is: 87,635.48
Step by Step Solution
- Step 1: Write the proportion equation
137,444.08 : 205,971.70 = 58,478.80 : x - Step 2: Convert to fraction form
137,444.08/205,971.70 = 58,478.80/x - Step 3: Cross multiply
137,444.08x = 205,971.70 × 58,478.80 - Step 4: Simplify right side
137,444.08x = 12,044,977,849.96 - Step 5: Solve for x
x = 12,044,977,849.96/137,444.08 - Step 6: Final answer
x = 87,635.48
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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.