Home / 340,212.90-510,228.18-103,492.02

Finding the Fourth Proportional to 340,212.90, 510,228.18 and 103,492.02

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Solution

The fourth proportional to 340,212.90, 510,228.18 and 103,492.02 is: 155,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,212.90 : 510,228.18 = 103,492.02 : x
  2. Step 2: Convert to fraction form
    340,212.90/510,228.18 = 103,492.02/x
  3. Step 3: Cross multiply
    340,212.90x = 510,228.18 × 103,492.02
  4. Step 4: Simplify right side
    340,212.90x = 52,804,545,009.12
  5. Step 5: Solve for x
    x = 52,804,545,009.12/340,212.90
  6. Step 6: Final answer
    x = 155,210.30

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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.