Finding the Fourth Proportional to 461,719.80, 692,579.70 and 129,295.80
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Solution
The fourth proportional to 461,719.80, 692,579.70 and 129,295.80 is: 193,943.70
Step by Step Solution
- Step 1: Write the proportion equation
461,719.80 : 692,579.70 = 129,295.80 : x - Step 2: Convert to fraction form
461,719.80/692,579.70 = 129,295.80/x - Step 3: Cross multiply
461,719.80x = 692,579.70 × 129,295.80 - Step 4: Simplify right side
461,719.80x = 89,547,646,375.26 - Step 5: Solve for x
x = 89,547,646,375.26/461,719.80 - Step 6: Final answer
x = 193,943.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.