Home / 289,323.16-433,862.73-109,378.22

Finding the Fourth Proportional to 289,323.16, 433,862.73 and 109,378.22

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Solution

The fourth proportional to 289,323.16, 433,862.73 and 109,378.22 is: 164,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,323.16 : 433,862.73 = 109,378.22 : x
  2. Step 2: Convert to fraction form
    289,323.16/433,862.73 = 109,378.22/x
  3. Step 3: Cross multiply
    289,323.16x = 433,862.73 × 109,378.22
  4. Step 4: Simplify right side
    289,323.16x = 47,455,130,962.43
  5. Step 5: Solve for x
    x = 47,455,130,962.43/289,323.16
  6. Step 6: Final answer
    x = 164,021.20

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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.