Home / 346,233.18-478,017.82-223,789.67

Finding the Fourth Proportional to 346,233.18, 478,017.82 and 223,789.67

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Solution

The fourth proportional to 346,233.18, 478,017.82 and 223,789.67 is: 308,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,233.18 : 478,017.82 = 223,789.67 : x
  2. Step 2: Convert to fraction form
    346,233.18/478,017.82 = 223,789.67/x
  3. Step 3: Cross multiply
    346,233.18x = 478,017.82 × 223,789.67
  4. Step 4: Simplify right side
    346,233.18x = 106,975,449,874.13
  5. Step 5: Solve for x
    x = 106,975,449,874.13/346,233.18
  6. Step 6: Final answer
    x = 308,969.37

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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.