Home / 346,790.70-520,056.45-136,385.10

Finding the Fourth Proportional to 346,790.70, 520,056.45 and 136,385.10

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Solution

The fourth proportional to 346,790.70, 520,056.45 and 136,385.10 is: 204,526.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,790.70 : 520,056.45 = 136,385.10 : x
  2. Step 2: Convert to fraction form
    346,790.70/520,056.45 = 136,385.10/x
  3. Step 3: Cross multiply
    346,790.70x = 520,056.45 × 136,385.10
  4. Step 4: Simplify right side
    346,790.70x = 70,927,950,938.90
  5. Step 5: Solve for x
    x = 70,927,950,938.90/346,790.70
  6. Step 6: Final answer
    x = 204,526.68

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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.