Finding the Fourth Proportional to 357,631.44, 536,447.88 and 133,041.12
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Solution
The fourth proportional to 357,631.44, 536,447.88 and 133,041.12 is: 199,561.95
Step by Step Solution
- Step 1: Write the proportion equation
357,631.44 : 536,447.88 = 133,041.12 : x - Step 2: Convert to fraction form
357,631.44/536,447.88 = 133,041.12/x - Step 3: Cross multiply
357,631.44x = 536,447.88 × 133,041.12 - Step 4: Simplify right side
357,631.44x = 71,369,626,776.83 - Step 5: Solve for x
x = 71,369,626,776.83/357,631.44 - Step 6: Final answer
x = 199,561.95
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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.