Home / 346,266.75-477,856.17-217,210.67

Finding the Fourth Proportional to 346,266.75, 477,856.17 and 217,210.67

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Solution

The fourth proportional to 346,266.75, 477,856.17 and 217,210.67 is: 299,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,266.75 : 477,856.17 = 217,210.67 : x
  2. Step 2: Convert to fraction form
    346,266.75/477,856.17 = 217,210.67/x
  3. Step 3: Cross multiply
    346,266.75x = 477,856.17 × 217,210.67
  4. Step 4: Simplify right side
    346,266.75x = 103,795,456,460.05
  5. Step 5: Solve for x
    x = 103,795,456,460.05/346,266.75
  6. Step 6: Final answer
    x = 299,755.77

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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.