Home / 423,512.69-584,280.85-242,127.19

Finding the Fourth Proportional to 423,512.69, 584,280.85 and 242,127.19

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Solution

The fourth proportional to 423,512.69, 584,280.85 and 242,127.19 is: 334,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,512.69 : 584,280.85 = 242,127.19 : x
  2. Step 2: Convert to fraction form
    423,512.69/584,280.85 = 242,127.19/x
  3. Step 3: Cross multiply
    423,512.69x = 584,280.85 × 242,127.19
  4. Step 4: Simplify right side
    423,512.69x = 141,470,276,249.27
  5. Step 5: Solve for x
    x = 141,470,276,249.27/423,512.69
  6. Step 6: Final answer
    x = 334,040.23

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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.