Home / 346,148.60-519,259.36-143,721.72

Finding the Fourth Proportional to 346,148.60, 519,259.36 and 143,721.72

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Solution

The fourth proportional to 346,148.60, 519,259.36 and 143,721.72 is: 215,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,148.60 : 519,259.36 = 143,721.72 : x
  2. Step 2: Convert to fraction form
    346,148.60/519,259.36 = 143,721.72/x
  3. Step 3: Cross multiply
    346,148.60x = 519,259.36 × 143,721.72
  4. Step 4: Simplify right side
    346,148.60x = 74,628,848,345.30
  5. Step 5: Solve for x
    x = 74,628,848,345.30/346,148.60
  6. Step 6: Final answer
    x = 215,597.72

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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.