Home / 288,002.55-432,003.83-193,999.35

Finding the Fourth Proportional to 288,002.55, 432,003.83 and 193,999.35

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Solution

The fourth proportional to 288,002.55, 432,003.83 and 193,999.35 is: 290,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,002.55 : 432,003.83 = 193,999.35 : x
  2. Step 2: Convert to fraction form
    288,002.55/432,003.83 = 193,999.35/x
  3. Step 3: Cross multiply
    288,002.55x = 432,003.83 × 193,999.35
  4. Step 4: Simplify right side
    288,002.55x = 83,808,461,247.51
  5. Step 5: Solve for x
    x = 83,808,461,247.51/288,002.55
  6. Step 6: Final answer
    x = 290,999.03

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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.