Finding the Fourth Proportional to 130,358.70, 195,246.45 and 112,862.70
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Solution
The fourth proportional to 130,358.70, 195,246.45 and 112,862.70 is: 169,041.59
Step by Step Solution
- Step 1: Write the proportion equation
130,358.70 : 195,246.45 = 112,862.70 : x - Step 2: Convert to fraction form
130,358.70/195,246.45 = 112,862.70/x - Step 3: Cross multiply
130,358.70x = 195,246.45 × 112,862.70 - Step 4: Simplify right side
130,358.70x = 22,036,041,512.42 - Step 5: Solve for x
x = 22,036,041,512.42/130,358.70 - Step 6: Final answer
x = 169,041.59
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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.