Home / 370,109.74-510,746.95-208,971.58

Finding the Fourth Proportional to 370,109.74, 510,746.95 and 208,971.58

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Solution

The fourth proportional to 370,109.74, 510,746.95 and 208,971.58 is: 288,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,109.74 : 510,746.95 = 208,971.58 : x
  2. Step 2: Convert to fraction form
    370,109.74/510,746.95 = 208,971.58/x
  3. Step 3: Cross multiply
    370,109.74x = 510,746.95 × 208,971.58
  4. Step 4: Simplify right side
    370,109.74x = 106,731,597,121.68
  5. Step 5: Solve for x
    x = 106,731,597,121.68/370,109.74
  6. Step 6: Final answer
    x = 288,378.24

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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.