Home / 346,218.40-519,327.60-109,579.60

Finding the Fourth Proportional to 346,218.40, 519,327.60 and 109,579.60

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Solution

The fourth proportional to 346,218.40, 519,327.60 and 109,579.60 is: 164,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,218.40 : 519,327.60 = 109,579.60 : x
  2. Step 2: Convert to fraction form
    346,218.40/519,327.60 = 109,579.60/x
  3. Step 3: Cross multiply
    346,218.40x = 519,327.60 × 109,579.60
  4. Step 4: Simplify right side
    346,218.40x = 56,907,710,676.96
  5. Step 5: Solve for x
    x = 56,907,710,676.96/346,218.40
  6. Step 6: Final answer
    x = 164,369.40

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1.5x scale

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.