Home / 288,800.88-433,259.07-89,113.77

Finding the Fourth Proportional to 288,800.88, 433,259.07 and 89,113.77

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Solution

The fourth proportional to 288,800.88, 433,259.07 and 89,113.77 is: 133,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,800.88 : 433,259.07 = 89,113.77 : x
  2. Step 2: Convert to fraction form
    288,800.88/433,259.07 = 89,113.77/x
  3. Step 3: Cross multiply
    288,800.88x = 433,259.07 × 89,113.77
  4. Step 4: Simplify right side
    288,800.88x = 38,609,349,114.39
  5. Step 5: Solve for x
    x = 38,609,349,114.39/288,800.88
  6. Step 6: Final answer
    x = 133,688.47

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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.