Home / 346,345.20-519,566.40-109,663.20

Finding the Fourth Proportional to 346,345.20, 519,566.40 and 109,663.20

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Solution

The fourth proportional to 346,345.20, 519,566.40 and 109,663.20 is: 164,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,345.20 : 519,566.40 = 109,663.20 : x
  2. Step 2: Convert to fraction form
    346,345.20/519,566.40 = 109,663.20/x
  3. Step 3: Cross multiply
    346,345.20x = 519,566.40 × 109,663.20
  4. Step 4: Simplify right side
    346,345.20x = 56,977,314,036.48
  5. Step 5: Solve for x
    x = 56,977,314,036.48/346,345.20
  6. Step 6: Final answer
    x = 164,510.19

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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.