Home / 278,730.02-384,807-183,513.50

Finding the Fourth Proportional to 278,730.02, 384,807 and 183,513.50

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Solution

The fourth proportional to 278,730.02, 384,807 and 183,513.50 is: 253,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,730.02 : 384,807 = 183,513.50 : x
  2. Step 2: Convert to fraction form
    278,730.02/384,807 = 183,513.50/x
  3. Step 3: Cross multiply
    278,730.02x = 384,807 × 183,513.50
  4. Step 4: Simplify right side
    278,730.02x = 70,617,279,394.50
  5. Step 5: Solve for x
    x = 70,617,279,394.50/278,730.02
  6. Step 6: Final answer
    x = 253,353.69

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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.