Finding the Fourth Proportional to 357,686.19, 536,529.40 and 133,017.30
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Solution
The fourth proportional to 357,686.19, 536,529.40 and 133,017.30 is: 199,525.99
Step by Step Solution
- Step 1: Write the proportion equation
357,686.19 : 536,529.40 = 133,017.30 : x - Step 2: Convert to fraction form
357,686.19/536,529.40 = 133,017.30/x - Step 3: Cross multiply
357,686.19x = 536,529.40 × 133,017.30 - Step 4: Simplify right side
357,686.19x = 71,367,691,826.08 - Step 5: Solve for x
x = 71,367,691,826.08/357,686.19 - Step 6: Final answer
x = 199,525.99
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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.