Home / 355,300.08-533,160-130,818.12

Finding the Fourth Proportional to 355,300.08, 533,160 and 130,818.12

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Solution

The fourth proportional to 355,300.08, 533,160 and 130,818.12 is: 196,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,300.08 : 533,160 = 130,818.12 : x
  2. Step 2: Convert to fraction form
    355,300.08/533,160 = 130,818.12/x
  3. Step 3: Cross multiply
    355,300.08x = 533,160 × 130,818.12
  4. Step 4: Simplify right side
    355,300.08x = 69,746,988,859.20
  5. Step 5: Solve for x
    x = 69,746,988,859.20/355,300.08
  6. Step 6: Final answer
    x = 196,304.46

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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.