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Finding the Fourth Proportional to 301,689.60, 452,534.40 and 161,721.60

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Solution

The fourth proportional to 301,689.60, 452,534.40 and 161,721.60 is: 242,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,689.60 : 452,534.40 = 161,721.60 : x
  2. Step 2: Convert to fraction form
    301,689.60/452,534.40 = 161,721.60/x
  3. Step 3: Cross multiply
    301,689.60x = 452,534.40 × 161,721.60
  4. Step 4: Simplify right side
    301,689.60x = 73,184,587,223.04
  5. Step 5: Solve for x
    x = 73,184,587,223.04/301,689.60
  6. Step 6: Final answer
    x = 242,582.40

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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.