Home / 345,606.60-477,141.69-307,260.24

Finding the Fourth Proportional to 345,606.60, 477,141.69 and 307,260.24

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Solution

The fourth proportional to 345,606.60, 477,141.69 and 307,260.24 is: 424,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,606.60 : 477,141.69 = 307,260.24 : x
  2. Step 2: Convert to fraction form
    345,606.60/477,141.69 = 307,260.24/x
  3. Step 3: Cross multiply
    345,606.60x = 477,141.69 × 307,260.24
  4. Step 4: Simplify right side
    345,606.60x = 146,606,667,818.01
  5. Step 5: Solve for x
    x = 146,606,667,818.01/345,606.60
  6. Step 6: Final answer
    x = 424,201.01

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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.