Home / 289,012.10-433,518.15-236,480.90

Finding the Fourth Proportional to 289,012.10, 433,518.15 and 236,480.90

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Solution

The fourth proportional to 289,012.10, 433,518.15 and 236,480.90 is: 354,721.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,012.10 : 433,518.15 = 236,480.90 : x
  2. Step 2: Convert to fraction form
    289,012.10/433,518.15 = 236,480.90/x
  3. Step 3: Cross multiply
    289,012.10x = 433,518.15 × 236,480.90
  4. Step 4: Simplify right side
    289,012.10x = 102,518,762,278.34
  5. Step 5: Solve for x
    x = 102,518,762,278.34/289,012.10
  6. Step 6: Final answer
    x = 354,721.35

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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.