Home / 355,698.77-533,548.15-145,336.50

Finding the Fourth Proportional to 355,698.77, 533,548.15 and 145,336.50

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Solution

The fourth proportional to 355,698.77, 533,548.15 and 145,336.50 is: 218,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,698.77 : 533,548.15 = 145,336.50 : x
  2. Step 2: Convert to fraction form
    355,698.77/533,548.15 = 145,336.50/x
  3. Step 3: Cross multiply
    355,698.77x = 533,548.15 × 145,336.50
  4. Step 4: Simplify right side
    355,698.77x = 77,544,020,339.13
  5. Step 5: Solve for x
    x = 77,544,020,339.13/355,698.77
  6. Step 6: Final answer
    x = 218,004.75

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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.