Home / 387,746.48-581,844.48-163,089.20

Finding the Fourth Proportional to 387,746.48, 581,844.48 and 163,089.20

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Solution

The fourth proportional to 387,746.48, 581,844.48 and 163,089.20 is: 244,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,746.48 : 581,844.48 = 163,089.20 : x
  2. Step 2: Convert to fraction form
    387,746.48/581,844.48 = 163,089.20/x
  3. Step 3: Cross multiply
    387,746.48x = 581,844.48 × 163,089.20
  4. Step 4: Simplify right side
    387,746.48x = 94,892,550,767.62
  5. Step 5: Solve for x
    x = 94,892,550,767.62/387,746.48
  6. Step 6: Final answer
    x = 244,728.34

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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.