Finding the Fourth Proportional to 355,271.80, 532,454.10 and 144,671.80
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Solution
The fourth proportional to 355,271.80, 532,454.10 and 144,671.80 is: 216,822.99
Step by Step Solution
- Step 1: Write the proportion equation
355,271.80 : 532,454.10 = 144,671.80 : x - Step 2: Convert to fraction form
355,271.80/532,454.10 = 144,671.80/x - Step 3: Cross multiply
355,271.80x = 532,454.10 × 144,671.80 - Step 4: Simplify right side
355,271.80x = 77,031,093,064.38 - Step 5: Solve for x
x = 77,031,093,064.38/355,271.80 - Step 6: Final answer
x = 216,822.99
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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.