Home / 369,637.20-554,455.80-306,651.60

Finding the Fourth Proportional to 369,637.20, 554,455.80 and 306,651.60

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Solution

The fourth proportional to 369,637.20, 554,455.80 and 306,651.60 is: 459,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,637.20 : 554,455.80 = 306,651.60 : x
  2. Step 2: Convert to fraction form
    369,637.20/554,455.80 = 306,651.60/x
  3. Step 3: Cross multiply
    369,637.20x = 554,455.80 × 306,651.60
  4. Step 4: Simplify right side
    369,637.20x = 170,024,758,199.28
  5. Step 5: Solve for x
    x = 170,024,758,199.28/369,637.20
  6. Step 6: Final answer
    x = 459,977.40

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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.