Finding the Fourth Proportional to 212,278.99, 292,823.35 and 132,652.75
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Solution
The fourth proportional to 212,278.99, 292,823.35 and 132,652.75 is: 182,984.77
Step by Step Solution
- Step 1: Write the proportion equation
212,278.99 : 292,823.35 = 132,652.75 : x - Step 2: Convert to fraction form
212,278.99/292,823.35 = 132,652.75/x - Step 3: Cross multiply
212,278.99x = 292,823.35 × 132,652.75 - Step 4: Simplify right side
212,278.99x = 38,843,822,641.71 - Step 5: Solve for x
x = 38,843,822,641.71/212,278.99 - Step 6: Final answer
x = 182,984.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.