Home / 346,547.28-519,885.72-109,826.40

Finding the Fourth Proportional to 346,547.28, 519,885.72 and 109,826.40

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Solution

The fourth proportional to 346,547.28, 519,885.72 and 109,826.40 is: 164,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,547.28 : 519,885.72 = 109,826.40 : x
  2. Step 2: Convert to fraction form
    346,547.28/519,885.72 = 109,826.40/x
  3. Step 3: Cross multiply
    346,547.28x = 519,885.72 × 109,826.40
  4. Step 4: Simplify right side
    346,547.28x = 57,097,177,039.01
  5. Step 5: Solve for x
    x = 57,097,177,039.01/346,547.28
  6. Step 6: Final answer
    x = 164,760.14

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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.