Home / 380,651.18-525,277.95-210,875.18

Finding the Fourth Proportional to 380,651.18, 525,277.95 and 210,875.18

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Solution

The fourth proportional to 380,651.18, 525,277.95 and 210,875.18 is: 290,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,651.18 : 525,277.95 = 210,875.18 : x
  2. Step 2: Convert to fraction form
    380,651.18/525,277.95 = 210,875.18/x
  3. Step 3: Cross multiply
    380,651.18x = 525,277.95 × 210,875.18
  4. Step 4: Simplify right side
    380,651.18x = 110,768,082,256.28
  5. Step 5: Solve for x
    x = 110,768,082,256.28/380,651.18
  6. Step 6: Final answer
    x = 290,996.29

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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.