Home / 240,243.41-360,582.48-128,018.45

Finding the Fourth Proportional to 240,243.41, 360,582.48 and 128,018.45

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Solution

The fourth proportional to 240,243.41, 360,582.48 and 128,018.45 is: 192,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,243.41 : 360,582.48 = 128,018.45 : x
  2. Step 2: Convert to fraction form
    240,243.41/360,582.48 = 128,018.45/x
  3. Step 3: Cross multiply
    240,243.41x = 360,582.48 × 128,018.45
  4. Step 4: Simplify right side
    240,243.41x = 46,161,210,186.76
  5. Step 5: Solve for x
    x = 46,161,210,186.76/240,243.41
  6. Step 6: Final answer
    x = 192,143.50

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1.5x scale

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.