Home / 389,124.02-537,074.64-245,792.90

Finding the Fourth Proportional to 389,124.02, 537,074.64 and 245,792.90

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Solution

The fourth proportional to 389,124.02, 537,074.64 and 245,792.90 is: 339,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,124.02 : 537,074.64 = 245,792.90 : x
  2. Step 2: Convert to fraction form
    389,124.02/537,074.64 = 245,792.90/x
  3. Step 3: Cross multiply
    389,124.02x = 537,074.64 × 245,792.90
  4. Step 4: Simplify right side
    389,124.02x = 132,009,133,282.06
  5. Step 5: Solve for x
    x = 132,009,133,282.06/389,124.02
  6. Step 6: Final answer
    x = 339,246.94

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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.