Home / 279,895.07-386,255.21-152,570.67

Finding the Fourth Proportional to 279,895.07, 386,255.21 and 152,570.67

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Solution

The fourth proportional to 279,895.07, 386,255.21 and 152,570.67 is: 210,547.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,895.07 : 386,255.21 = 152,570.67 : x
  2. Step 2: Convert to fraction form
    279,895.07/386,255.21 = 152,570.67/x
  3. Step 3: Cross multiply
    279,895.07x = 386,255.21 × 152,570.67
  4. Step 4: Simplify right side
    279,895.07x = 58,931,216,180.69
  5. Step 5: Solve for x
    x = 58,931,216,180.69/279,895.07
  6. Step 6: Final answer
    x = 210,547.53

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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.