Finding the Fourth Proportional to 247,701.99, 341,830.76 and 134,525.55
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Solution
The fourth proportional to 247,701.99, 341,830.76 and 134,525.55 is: 185,646.35
Step by Step Solution
- Step 1: Write the proportion equation
247,701.99 : 341,830.76 = 134,525.55 : x - Step 2: Convert to fraction form
247,701.99/341,830.76 = 134,525.55/x - Step 3: Cross multiply
247,701.99x = 341,830.76 × 134,525.55 - Step 4: Simplify right side
247,701.99x = 45,984,970,323.29 - Step 5: Solve for x
x = 45,984,970,323.29/247,701.99 - Step 6: Final answer
x = 185,646.35
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1.5x scale
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.