Finding the Fourth Proportional to 453,135.84, 679,659.84 and 137,595.52
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Solution
The fourth proportional to 453,135.84, 679,659.84 and 137,595.52 is: 206,379.94
Step by Step Solution
- Step 1: Write the proportion equation
453,135.84 : 679,659.84 = 137,595.52 : x - Step 2: Convert to fraction form
453,135.84/679,659.84 = 137,595.52/x - Step 3: Cross multiply
453,135.84x = 679,659.84 × 137,595.52 - Step 4: Simplify right side
453,135.84x = 93,518,149,107.92 - Step 5: Solve for x
x = 93,518,149,107.92/453,135.84 - Step 6: Final answer
x = 206,379.94
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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.