Home / 346,421.10-519,631.65-228,225.90

Finding the Fourth Proportional to 346,421.10, 519,631.65 and 228,225.90

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Solution

The fourth proportional to 346,421.10, 519,631.65 and 228,225.90 is: 342,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,421.10 : 519,631.65 = 228,225.90 : x
  2. Step 2: Convert to fraction form
    346,421.10/519,631.65 = 228,225.90/x
  3. Step 3: Cross multiply
    346,421.10x = 519,631.65 × 228,225.90
  4. Step 4: Simplify right side
    346,421.10x = 118,593,400,989.74
  5. Step 5: Solve for x
    x = 118,593,400,989.74/346,421.10
  6. Step 6: Final answer
    x = 342,338.85

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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.