Finding the Fourth Proportional to 651,639.60, 977,167.80 and 296,470.80
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Solution
The fourth proportional to 651,639.60, 977,167.80 and 296,470.80 is: 444,573.53
Step by Step Solution
- Step 1: Write the proportion equation
651,639.60 : 977,167.80 = 296,470.80 : x - Step 2: Convert to fraction form
651,639.60/977,167.80 = 296,470.80/x - Step 3: Cross multiply
651,639.60x = 977,167.80 × 296,470.80 - Step 4: Simplify right side
651,639.60x = 289,701,719,400.24 - Step 5: Solve for x
x = 289,701,719,400.24/651,639.60 - Step 6: Final answer
x = 444,573.53
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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.