Home / 340,590.32-470,012.04-197,347.28

Finding the Fourth Proportional to 340,590.32, 470,012.04 and 197,347.28

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Solution

The fourth proportional to 340,590.32, 470,012.04 and 197,347.28 is: 272,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,590.32 : 470,012.04 = 197,347.28 : x
  2. Step 2: Convert to fraction form
    340,590.32/470,012.04 = 197,347.28/x
  3. Step 3: Cross multiply
    340,590.32x = 470,012.04 × 197,347.28
  4. Step 4: Simplify right side
    340,590.32x = 92,755,597,661.25
  5. Step 5: Solve for x
    x = 92,755,597,661.25/340,590.32
  6. Step 6: Final answer
    x = 272,337.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.