Home / 369,776.41-510,247.56-208,622.05

Finding the Fourth Proportional to 369,776.41, 510,247.56 and 208,622.05

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Solution

The fourth proportional to 369,776.41, 510,247.56 and 208,622.05 is: 287,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,776.41 : 510,247.56 = 208,622.05 : x
  2. Step 2: Convert to fraction form
    369,776.41/510,247.56 = 208,622.05/x
  3. Step 3: Cross multiply
    369,776.41x = 510,247.56 × 208,622.05
  4. Step 4: Simplify right side
    369,776.41x = 106,448,891,974.70
  5. Step 5: Solve for x
    x = 106,448,891,974.70/369,776.41
  6. Step 6: Final answer
    x = 287,873.67

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1.5x scale

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.