Home / 388,948.77-583,417.36-237,190.44

Finding the Fourth Proportional to 388,948.77, 583,417.36 and 237,190.44

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Solution

The fourth proportional to 388,948.77, 583,417.36 and 237,190.44 is: 355,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,948.77 : 583,417.36 = 237,190.44 : x
  2. Step 2: Convert to fraction form
    388,948.77/583,417.36 = 237,190.44/x
  3. Step 3: Cross multiply
    388,948.77x = 583,417.36 × 237,190.44
  4. Step 4: Simplify right side
    388,948.77x = 138,381,020,915.02
  5. Step 5: Solve for x
    x = 138,381,020,915.02/388,948.77
  6. Step 6: Final answer
    x = 355,782.13

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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.