Home / 346,509.20-519,945.96-245,956.16

Finding the Fourth Proportional to 346,509.20, 519,945.96 and 245,956.16

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Solution

The fourth proportional to 346,509.20, 519,945.96 and 245,956.16 is: 369,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,509.20 : 519,945.96 = 245,956.16 : x
  2. Step 2: Convert to fraction form
    346,509.20/519,945.96 = 245,956.16/x
  3. Step 3: Cross multiply
    346,509.20x = 519,945.96 × 245,956.16
  4. Step 4: Simplify right side
    346,509.20x = 127,883,911,729.11
  5. Step 5: Solve for x
    x = 127,883,911,729.11/346,509.20
  6. Step 6: Final answer
    x = 369,063.54

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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.