Home / 228,636.08-315,412.95-148,089.50

Finding the Fourth Proportional to 228,636.08, 315,412.95 and 148,089.50

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Solution

The fourth proportional to 228,636.08, 315,412.95 and 148,089.50 is: 204,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,636.08 : 315,412.95 = 148,089.50 : x
  2. Step 2: Convert to fraction form
    228,636.08/315,412.95 = 148,089.50/x
  3. Step 3: Cross multiply
    228,636.08x = 315,412.95 × 148,089.50
  4. Step 4: Simplify right side
    228,636.08x = 46,709,346,059.03
  5. Step 5: Solve for x
    x = 46,709,346,059.03/228,636.08
  6. Step 6: Final answer
    x = 204,295.60

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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.