Home / 288,001.35-432,002.03-163,585.35

Finding the Fourth Proportional to 288,001.35, 432,002.03 and 163,585.35

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Solution

The fourth proportional to 288,001.35, 432,002.03 and 163,585.35 is: 245,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,001.35 : 432,002.03 = 163,585.35 : x
  2. Step 2: Convert to fraction form
    288,001.35/432,002.03 = 163,585.35/x
  3. Step 3: Cross multiply
    288,001.35x = 432,002.03 × 163,585.35
  4. Step 4: Simplify right side
    288,001.35x = 70,669,202,460.33
  5. Step 5: Solve for x
    x = 70,669,202,460.33/288,001.35
  6. Step 6: Final answer
    x = 245,378.03

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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.