Home / 346,788.61-520,287.78-245,782.01

Finding the Fourth Proportional to 346,788.61, 520,287.78 and 245,782.01

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Solution

The fourth proportional to 346,788.61, 520,287.78 and 245,782.01 is: 368,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,788.61 : 520,287.78 = 245,782.01 : x
  2. Step 2: Convert to fraction form
    346,788.61/520,287.78 = 245,782.01/x
  3. Step 3: Cross multiply
    346,788.61x = 520,287.78 × 245,782.01
  4. Step 4: Simplify right side
    346,788.61x = 127,877,376,346.84
  5. Step 5: Solve for x
    x = 127,877,376,346.84/346,788.61
  6. Step 6: Final answer
    x = 368,747.34

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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.