Home / 346,730.90-520,096.35-204,430.10

Finding the Fourth Proportional to 346,730.90, 520,096.35 and 204,430.10

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Solution

The fourth proportional to 346,730.90, 520,096.35 and 204,430.10 is: 306,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,730.90 : 520,096.35 = 204,430.10 : x
  2. Step 2: Convert to fraction form
    346,730.90/520,096.35 = 204,430.10/x
  3. Step 3: Cross multiply
    346,730.90x = 520,096.35 × 204,430.10
  4. Step 4: Simplify right side
    346,730.90x = 106,323,348,840.14
  5. Step 5: Solve for x
    x = 106,323,348,840.14/346,730.90
  6. Step 6: Final answer
    x = 306,645.15

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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.