Finding the Fourth Proportional to 746,753.24, 1,120,130.70 and 185,787.80
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Solution
The fourth proportional to 746,753.24, 1,120,130.70 and 185,787.80 is: 278,681.91
Step by Step Solution
- Step 1: Write the proportion equation
746,753.24 : 1,120,130.70 = 185,787.80 : x - Step 2: Convert to fraction form
746,753.24/1,120,130.70 = 185,787.80/x - Step 3: Cross multiply
746,753.24x = 1,120,130.70 × 185,787.80 - Step 4: Simplify right side
746,753.24x = 208,106,618,465.46 - Step 5: Solve for x
x = 208,106,618,465.46/746,753.24 - Step 6: Final answer
x = 278,681.91
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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.