Home / 380,923.04-525,679.72-208,856.72

Finding the Fourth Proportional to 380,923.04, 525,679.72 and 208,856.72

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Solution

The fourth proportional to 380,923.04, 525,679.72 and 208,856.72 is: 288,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,923.04 : 525,679.72 = 208,856.72 : x
  2. Step 2: Convert to fraction form
    380,923.04/525,679.72 = 208,856.72/x
  3. Step 3: Cross multiply
    380,923.04x = 525,679.72 × 208,856.72
  4. Step 4: Simplify right side
    380,923.04x = 109,791,742,881.78
  5. Step 5: Solve for x
    x = 109,791,742,881.78/380,923.04
  6. Step 6: Final answer
    x = 288,225.52

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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.