Home / 340,570.09-470,023.65-187,623.96

Finding the Fourth Proportional to 340,570.09, 470,023.65 and 187,623.96

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Solution

The fourth proportional to 340,570.09, 470,023.65 and 187,623.96 is: 258,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,570.09 : 470,023.65 = 187,623.96 : x
  2. Step 2: Convert to fraction form
    340,570.09/470,023.65 = 187,623.96/x
  3. Step 3: Cross multiply
    340,570.09x = 470,023.65 × 187,623.96
  4. Step 4: Simplify right side
    340,570.09x = 88,187,697,141.19
  5. Step 5: Solve for x
    x = 88,187,697,141.19/340,570.09
  6. Step 6: Final answer
    x = 258,941.40

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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.