Finding the Fourth Proportional to 370,869.30, 556,158.38 and 130,931.99
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Solution
The fourth proportional to 370,869.30, 556,158.38 and 130,931.99 is: 196,346.59
Step by Step Solution
- Step 1: Write the proportion equation
370,869.30 : 556,158.38 = 130,931.99 : x - Step 2: Convert to fraction form
370,869.30/556,158.38 = 130,931.99/x - Step 3: Cross multiply
370,869.30x = 556,158.38 × 130,931.99 - Step 4: Simplify right side
370,869.30x = 72,818,923,141.52 - Step 5: Solve for x
x = 72,818,923,141.52/370,869.30 - Step 6: Final answer
x = 196,346.59
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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.