Finding the Fourth Proportional to 366,943.30, 550,285.35 and 130,293.70
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Solution
The fourth proportional to 366,943.30, 550,285.35 and 130,293.70 is: 195,394.53
Step by Step Solution
- Step 1: Write the proportion equation
366,943.30 : 550,285.35 = 130,293.70 : x - Step 2: Convert to fraction form
366,943.30/550,285.35 = 130,293.70/x - Step 3: Cross multiply
366,943.30x = 550,285.35 × 130,293.70 - Step 4: Simplify right side
366,943.30x = 71,698,714,307.30 - Step 5: Solve for x
x = 71,698,714,307.30/366,943.30 - Step 6: Final answer
x = 195,394.53
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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.