Finding the Fourth Proportional to 370,870.30, 556,159.87 and 130,932.99
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Solution
The fourth proportional to 370,870.30, 556,159.87 and 130,932.99 is: 196,348.09
Step by Step Solution
- Step 1: Write the proportion equation
370,870.30 : 556,159.87 = 130,932.99 : x - Step 2: Convert to fraction form
370,870.30/556,159.87 = 130,932.99/x - Step 3: Cross multiply
370,870.30x = 556,159.87 × 130,932.99 - Step 4: Simplify right side
370,870.30x = 72,819,674,697.11 - Step 5: Solve for x
x = 72,819,674,697.11/370,870.30 - Step 6: Final answer
x = 196,348.09
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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.