Home / 287,346.14-430,572.18-109,756.22

Finding the Fourth Proportional to 287,346.14, 430,572.18 and 109,756.22

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Solution

The fourth proportional to 287,346.14, 430,572.18 and 109,756.22 is: 164,463.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,346.14 : 430,572.18 = 109,756.22 : x
  2. Step 2: Convert to fraction form
    287,346.14/430,572.18 = 109,756.22/x
  3. Step 3: Cross multiply
    287,346.14x = 430,572.18 × 109,756.22
  4. Step 4: Simplify right side
    287,346.14x = 47,257,974,913.96
  5. Step 5: Solve for x
    x = 47,257,974,913.96/287,346.14
  6. Step 6: Final answer
    x = 164,463.58

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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.