Finding the Fourth Proportional to 170,878.05, 235,810.95 and 94,397.18
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Solution
The fourth proportional to 170,878.05, 235,810.95 and 94,397.18 is: 130,267.68
Step by Step Solution
- Step 1: Write the proportion equation
170,878.05 : 235,810.95 = 94,397.18 : x - Step 2: Convert to fraction form
170,878.05/235,810.95 = 94,397.18/x - Step 3: Cross multiply
170,878.05x = 235,810.95 × 94,397.18 - Step 4: Simplify right side
170,878.05x = 22,259,887,491.69 - Step 5: Solve for x
x = 22,259,887,491.69/170,878.05 - Step 6: Final answer
x = 130,267.68
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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.