Finding the Fourth Proportional to 279,660.51, 385,920.59 and 170,946.86
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Solution
The fourth proportional to 279,660.51, 385,920.59 and 170,946.86 is: 235,899.99
Step by Step Solution
- Step 1: Write the proportion equation
279,660.51 : 385,920.59 = 170,946.86 : x - Step 2: Convert to fraction form
279,660.51/385,920.59 = 170,946.86/x - Step 3: Cross multiply
279,660.51x = 385,920.59 × 170,946.86 - Step 4: Simplify right side
279,660.51x = 65,971,911,140.24 - Step 5: Solve for x
x = 65,971,911,140.24/279,660.51 - Step 6: Final answer
x = 235,899.99
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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.