Home / 355,567.51-533,351.78-145,205.45

Finding the Fourth Proportional to 355,567.51, 533,351.78 and 145,205.45

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Solution

The fourth proportional to 355,567.51, 533,351.78 and 145,205.45 is: 217,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,567.51 : 533,351.78 = 145,205.45 : x
  2. Step 2: Convert to fraction form
    355,567.51/533,351.78 = 145,205.45/x
  3. Step 3: Cross multiply
    355,567.51x = 533,351.78 × 145,205.45
  4. Step 4: Simplify right side
    355,567.51x = 77,445,585,223.20
  5. Step 5: Solve for x
    x = 77,445,585,223.20/355,567.51
  6. Step 6: Final answer
    x = 217,808.39

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1.5x scale

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.