Home / 335,108.09-502,698.78-145,438.07

Finding the Fourth Proportional to 335,108.09, 502,698.78 and 145,438.07

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Solution

The fourth proportional to 335,108.09, 502,698.78 and 145,438.07 is: 218,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,108.09 : 502,698.78 = 145,438.07 : x
  2. Step 2: Convert to fraction form
    335,108.09/502,698.78 = 145,438.07/x
  3. Step 3: Cross multiply
    335,108.09x = 502,698.78 × 145,438.07
  4. Step 4: Simplify right side
    335,108.09x = 73,111,540,354.55
  5. Step 5: Solve for x
    x = 73,111,540,354.55/335,108.09
  6. Step 6: Final answer
    x = 218,173.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.