Finding the Fourth Proportional to 130,358.70, 195,246.45 and 107,030.70
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Solution
The fourth proportional to 130,358.70, 195,246.45 and 107,030.70 is: 160,306.63
Step by Step Solution
- Step 1: Write the proportion equation
130,358.70 : 195,246.45 = 107,030.70 : x - Step 2: Convert to fraction form
130,358.70/195,246.45 = 107,030.70/x - Step 3: Cross multiply
130,358.70x = 195,246.45 × 107,030.70 - Step 4: Simplify right side
130,358.70x = 20,897,364,216.02 - Step 5: Solve for x
x = 20,897,364,216.02/130,358.70 - Step 6: Final answer
x = 160,306.63
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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.