Finding the Fourth Proportional to 366,888.79, 550,387.86 and 130,211.65
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Solution
The fourth proportional to 366,888.79, 550,387.86 and 130,211.65 is: 195,336.88
Step by Step Solution
- Step 1: Write the proportion equation
366,888.79 : 550,387.86 = 130,211.65 : x - Step 2: Convert to fraction form
366,888.79/550,387.86 = 130,211.65/x - Step 3: Cross multiply
366,888.79x = 550,387.86 × 130,211.65 - Step 4: Simplify right side
366,888.79x = 71,666,909,526.31 - Step 5: Solve for x
x = 71,666,909,526.31/366,888.79 - Step 6: Final answer
x = 195,336.88
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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.