Finding the Fourth Proportional to 357,888.87, 536,439.63 and 147,411.99
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Solution
The fourth proportional to 357,888.87, 536,439.63 and 147,411.99 is: 220,955.83
Step by Step Solution
- Step 1: Write the proportion equation
357,888.87 : 536,439.63 = 147,411.99 : x - Step 2: Convert to fraction form
357,888.87/536,439.63 = 147,411.99/x - Step 3: Cross multiply
357,888.87x = 536,439.63 × 147,411.99 - Step 4: Simplify right side
357,888.87x = 79,077,633,373.16 - Step 5: Solve for x
x = 79,077,633,373.16/357,888.87 - Step 6: Final answer
x = 220,955.83
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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.