Home / 289,220.36-433,669.60-89,484.08

Finding the Fourth Proportional to 289,220.36, 433,669.60 and 89,484.08

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Solution

The fourth proportional to 289,220.36, 433,669.60 and 89,484.08 is: 134,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,220.36 : 433,669.60 = 89,484.08 : x
  2. Step 2: Convert to fraction form
    289,220.36/433,669.60 = 89,484.08/x
  3. Step 3: Cross multiply
    289,220.36x = 433,669.60 × 89,484.08
  4. Step 4: Simplify right side
    289,220.36x = 38,806,525,179.97
  5. Step 5: Solve for x
    x = 38,806,525,179.97/289,220.36
  6. Step 6: Final answer
    x = 134,176.33

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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.