Home / 346,826.60-520,281.60-122,140.62

Finding the Fourth Proportional to 346,826.60, 520,281.60 and 122,140.62

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Solution

The fourth proportional to 346,826.60, 520,281.60 and 122,140.62 is: 183,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,826.60 : 520,281.60 = 122,140.62 : x
  2. Step 2: Convert to fraction form
    346,826.60/520,281.60 = 122,140.62/x
  3. Step 3: Cross multiply
    346,826.60x = 520,281.60 × 122,140.62
  4. Step 4: Simplify right side
    346,826.60x = 63,547,517,198.59
  5. Step 5: Solve for x
    x = 63,547,517,198.59/346,826.60
  6. Step 6: Final answer
    x = 183,225.62

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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.