Home / 346,786.61-520,284.78-245,780.01

Finding the Fourth Proportional to 346,786.61, 520,284.78 and 245,780.01

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Solution

The fourth proportional to 346,786.61, 520,284.78 and 245,780.01 is: 368,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,786.61 : 520,284.78 = 245,780.01 : x
  2. Step 2: Convert to fraction form
    346,786.61/520,284.78 = 245,780.01/x
  3. Step 3: Cross multiply
    346,786.61x = 520,284.78 × 245,780.01
  4. Step 4: Simplify right side
    346,786.61x = 127,875,598,431.25
  5. Step 5: Solve for x
    x = 127,875,598,431.25/346,786.61
  6. Step 6: Final answer
    x = 368,744.34

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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.