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Finding the Fourth Proportional to 302,802.40, 454,203.60 and 243,753.40

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Solution

The fourth proportional to 302,802.40, 454,203.60 and 243,753.40 is: 365,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,802.40 : 454,203.60 = 243,753.40 : x
  2. Step 2: Convert to fraction form
    302,802.40/454,203.60 = 243,753.40/x
  3. Step 3: Cross multiply
    302,802.40x = 454,203.60 × 243,753.40
  4. Step 4: Simplify right side
    302,802.40x = 110,713,671,792.24
  5. Step 5: Solve for x
    x = 110,713,671,792.24/302,802.40
  6. Step 6: Final answer
    x = 365,630.10

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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.