Finding the Fourth Proportional to 754,023.84, 1,131,216.12 and 221,533.08
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Solution
The fourth proportional to 754,023.84, 1,131,216.12 and 221,533.08 is: 332,352.61
Step by Step Solution
- Step 1: Write the proportion equation
754,023.84 : 1,131,216.12 = 221,533.08 : x - Step 2: Convert to fraction form
754,023.84/1,131,216.12 = 221,533.08/x - Step 3: Cross multiply
754,023.84x = 1,131,216.12 × 221,533.08 - Step 4: Simplify right side
754,023.84x = 250,601,791,209.25 - Step 5: Solve for x
x = 250,601,791,209.25/754,023.84 - Step 6: Final answer
x = 332,352.61
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1.5x scale
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.