Finding the Fourth Proportional to 326,276.96, 489,357.10 and 207,595.76
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Solution
The fourth proportional to 326,276.96, 489,357.10 and 207,595.76 is: 311,356.52
Step by Step Solution
- Step 1: Write the proportion equation
326,276.96 : 489,357.10 = 207,595.76 : x - Step 2: Convert to fraction form
326,276.96/489,357.10 = 207,595.76/x - Step 3: Cross multiply
326,276.96x = 489,357.10 × 207,595.76 - Step 4: Simplify right side
326,276.96x = 101,588,459,085.90 - Step 5: Solve for x
x = 101,588,459,085.90/326,276.96 - Step 6: Final answer
x = 311,356.52
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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.