Home / 388,948.89-583,417.55-237,190.57

Finding the Fourth Proportional to 388,948.89, 583,417.55 and 237,190.57

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Solution

The fourth proportional to 388,948.89, 583,417.55 and 237,190.57 is: 355,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,948.89 : 583,417.55 = 237,190.57 : x
  2. Step 2: Convert to fraction form
    388,948.89/583,417.55 = 237,190.57/x
  3. Step 3: Cross multiply
    388,948.89x = 583,417.55 × 237,190.57
  4. Step 4: Simplify right side
    388,948.89x = 138,381,139,477.47
  5. Step 5: Solve for x
    x = 138,381,139,477.47/388,948.89
  6. Step 6: Final answer
    x = 355,782.32

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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.