Home / 430,900.79-594,643.02-239,959.22

Finding the Fourth Proportional to 430,900.79, 594,643.02 and 239,959.22

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Solution

The fourth proportional to 430,900.79, 594,643.02 and 239,959.22 is: 331,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,900.79 : 594,643.02 = 239,959.22 : x
  2. Step 2: Convert to fraction form
    430,900.79/594,643.02 = 239,959.22/x
  3. Step 3: Cross multiply
    430,900.79x = 594,643.02 × 239,959.22
  4. Step 4: Simplify right side
    430,900.79x = 142,690,075,257.64
  5. Step 5: Solve for x
    x = 142,690,075,257.64/430,900.79
  6. Step 6: Final answer
    x = 331,143.68

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1.5x scale

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.