Finding the Fourth Proportional to 383,267.18, 575,293.08 and 316,494.56
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Solution
The fourth proportional to 383,267.18, 575,293.08 and 316,494.56 is: 475,065.80
Step by Step Solution
- Step 1: Write the proportion equation
383,267.18 : 575,293.08 = 316,494.56 : x - Step 2: Convert to fraction form
383,267.18/575,293.08 = 316,494.56/x - Step 3: Cross multiply
383,267.18x = 575,293.08 × 316,494.56 - Step 4: Simplify right side
383,267.18x = 182,077,130,225.65 - Step 5: Solve for x
x = 182,077,130,225.65/383,267.18 - Step 6: Final answer
x = 475,065.80
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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.