Home / 358,881.07-537,919.37-145,599.47

Finding the Fourth Proportional to 358,881.07, 537,919.37 and 145,599.47

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Solution

The fourth proportional to 358,881.07, 537,919.37 and 145,599.47 is: 218,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,881.07 : 537,919.37 = 145,599.47 : x
  2. Step 2: Convert to fraction form
    358,881.07/537,919.37 = 145,599.47/x
  3. Step 3: Cross multiply
    358,881.07x = 537,919.37 × 145,599.47
  4. Step 4: Simplify right side
    358,881.07x = 78,320,774,446.74
  5. Step 5: Solve for x
    x = 78,320,774,446.74/358,881.07
  6. Step 6: Final answer
    x = 218,236.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.