Home / 346,899.81-478,801.73-225,830.23

Finding the Fourth Proportional to 346,899.81, 478,801.73 and 225,830.23

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Solution

The fourth proportional to 346,899.81, 478,801.73 and 225,830.23 is: 311,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,899.81 : 478,801.73 = 225,830.23 : x
  2. Step 2: Convert to fraction form
    346,899.81/478,801.73 = 225,830.23/x
  3. Step 3: Cross multiply
    346,899.81x = 478,801.73 × 225,830.23
  4. Step 4: Simplify right side
    346,899.81x = 108,127,904,177.87
  5. Step 5: Solve for x
    x = 108,127,904,177.87/346,899.81
  6. Step 6: Final answer
    x = 311,697.79

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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.