Finding the Fourth Proportional to 118,330.66, 177,457.65 and 39,423.70
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Solution
The fourth proportional to 118,330.66, 177,457.65 and 39,423.70 is: 59,122.78
Step by Step Solution
- Step 1: Write the proportion equation
118,330.66 : 177,457.65 = 39,423.70 : x - Step 2: Convert to fraction form
118,330.66/177,457.65 = 39,423.70/x - Step 3: Cross multiply
118,330.66x = 177,457.65 × 39,423.70 - Step 4: Simplify right side
118,330.66x = 6,996,037,156.31 - Step 5: Solve for x
x = 6,996,037,156.31/118,330.66 - Step 6: Final answer
x = 59,122.78
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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.