Home / 346,523.24-478,206.06-203,285.72

Finding the Fourth Proportional to 346,523.24, 478,206.06 and 203,285.72

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Solution

The fourth proportional to 346,523.24, 478,206.06 and 203,285.72 is: 280,536.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,523.24 : 478,206.06 = 203,285.72 : x
  2. Step 2: Convert to fraction form
    346,523.24/478,206.06 = 203,285.72/x
  3. Step 3: Cross multiply
    346,523.24x = 478,206.06 × 203,285.72
  4. Step 4: Simplify right side
    346,523.24x = 97,212,463,215.46
  5. Step 5: Solve for x
    x = 97,212,463,215.46/346,523.24
  6. Step 6: Final answer
    x = 280,536.63

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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.