Home / 430,033.23-645,074.46-130,523.58

Finding the Fourth Proportional to 430,033.23, 645,074.46 and 130,523.58

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Solution

The fourth proportional to 430,033.23, 645,074.46 and 130,523.58 is: 195,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,033.23 : 645,074.46 = 130,523.58 : x
  2. Step 2: Convert to fraction form
    430,033.23/645,074.46 = 130,523.58/x
  3. Step 3: Cross multiply
    430,033.23x = 645,074.46 × 130,523.58
  4. Step 4: Simplify right side
    430,033.23x = 84,197,427,885.77
  5. Step 5: Solve for x
    x = 84,197,427,885.77/430,033.23
  6. Step 6: Final answer
    x = 195,792.84

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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.