Home / 380,369.45-524,926.23-210,603.57

Finding the Fourth Proportional to 380,369.45, 524,926.23 and 210,603.57

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Solution

The fourth proportional to 380,369.45, 524,926.23 and 210,603.57 is: 290,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,369.45 : 524,926.23 = 210,603.57 : x
  2. Step 2: Convert to fraction form
    380,369.45/524,926.23 = 210,603.57/x
  3. Step 3: Cross multiply
    380,369.45x = 524,926.23 × 210,603.57
  4. Step 4: Simplify right side
    380,369.45x = 110,551,338,024.64
  5. Step 5: Solve for x
    x = 110,551,338,024.64/380,369.45
  6. Step 6: Final answer
    x = 290,642.00

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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.