Home / 470,830.20-705,986.10-155,124.60

Finding the Fourth Proportional to 470,830.20, 705,986.10 and 155,124.60

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Solution

The fourth proportional to 470,830.20, 705,986.10 and 155,124.60 is: 232,601.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,830.20 : 705,986.10 = 155,124.60 : x
  2. Step 2: Convert to fraction form
    470,830.20/705,986.10 = 155,124.60/x
  3. Step 3: Cross multiply
    470,830.20x = 705,986.10 × 155,124.60
  4. Step 4: Simplify right side
    470,830.20x = 109,515,811,368.06
  5. Step 5: Solve for x
    x = 109,515,811,368.06/470,830.20
  6. Step 6: Final answer
    x = 232,601.50

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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.