Home / 380,271.81-524,775.25-208,200.93

Finding the Fourth Proportional to 380,271.81, 524,775.25 and 208,200.93

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Solution

The fourth proportional to 380,271.81, 524,775.25 and 208,200.93 is: 287,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,271.81 : 524,775.25 = 208,200.93 : x
  2. Step 2: Convert to fraction form
    380,271.81/524,775.25 = 208,200.93/x
  3. Step 3: Cross multiply
    380,271.81x = 524,775.25 × 208,200.93
  4. Step 4: Simplify right side
    380,271.81x = 109,258,692,467.11
  5. Step 5: Solve for x
    x = 109,258,692,467.11/380,271.81
  6. Step 6: Final answer
    x = 287,317.36

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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.