Finding the Fourth Proportional to 283,312.46, 424,869.66 and 83,579.84
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Solution
The fourth proportional to 283,312.46, 424,869.66 and 83,579.84 is: 125,340.55
Step by Step Solution
- Step 1: Write the proportion equation
283,312.46 : 424,869.66 = 83,579.84 : x - Step 2: Convert to fraction form
283,312.46/424,869.66 = 83,579.84/x - Step 3: Cross multiply
283,312.46x = 424,869.66 × 83,579.84 - Step 4: Simplify right side
283,312.46x = 35,510,538,203.65 - Step 5: Solve for x
x = 35,510,538,203.65/283,312.46 - Step 6: Final answer
x = 125,340.55
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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.