Home / 346,345.34-519,595.90-121,721.29

Finding the Fourth Proportional to 346,345.34, 519,595.90 and 121,721.29

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Solution

The fourth proportional to 346,345.34, 519,595.90 and 121,721.29 is: 182,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,345.34 : 519,595.90 = 121,721.29 : x
  2. Step 2: Convert to fraction form
    346,345.34/519,595.90 = 121,721.29/x
  3. Step 3: Cross multiply
    346,345.34x = 519,595.90 × 121,721.29
  4. Step 4: Simplify right side
    346,345.34x = 63,245,881,623.42
  5. Step 5: Solve for x
    x = 63,245,881,623.42/346,345.34
  6. Step 6: Final answer
    x = 182,609.31

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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.