Home / 289,106.93-433,701.70-89,444.36

Finding the Fourth Proportional to 289,106.93, 433,701.70 and 89,444.36

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Solution

The fourth proportional to 289,106.93, 433,701.70 and 89,444.36 is: 134,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,106.93 : 433,701.70 = 89,444.36 : x
  2. Step 2: Convert to fraction form
    289,106.93/433,701.70 = 89,444.36/x
  3. Step 3: Cross multiply
    289,106.93x = 433,701.70 × 89,444.36
  4. Step 4: Simplify right side
    289,106.93x = 38,792,170,987.41
  5. Step 5: Solve for x
    x = 38,792,170,987.41/289,106.93
  6. Step 6: Final answer
    x = 134,179.32

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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.