Home / 380,369.68-524,926.56-210,603.82

Finding the Fourth Proportional to 380,369.68, 524,926.56 and 210,603.82

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Solution

The fourth proportional to 380,369.68, 524,926.56 and 210,603.82 is: 290,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,369.68 : 524,926.56 = 210,603.82 : x
  2. Step 2: Convert to fraction form
    380,369.68/524,926.56 = 210,603.82/x
  3. Step 3: Cross multiply
    380,369.68x = 524,926.56 × 210,603.82
  4. Step 4: Simplify right side
    380,369.68x = 110,551,538,755.46
  5. Step 5: Solve for x
    x = 110,551,538,755.46/380,369.68
  6. Step 6: Final answer
    x = 290,642.35

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1.5x scale

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.