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Finding the Fourth Proportional to 301,648.40, 452,602.20 and 153,904.40

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Solution

The fourth proportional to 301,648.40, 452,602.20 and 153,904.40 is: 230,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,648.40 : 452,602.20 = 153,904.40 : x
  2. Step 2: Convert to fraction form
    301,648.40/452,602.20 = 153,904.40/x
  3. Step 3: Cross multiply
    301,648.40x = 452,602.20 × 153,904.40
  4. Step 4: Simplify right side
    301,648.40x = 69,657,470,029.68
  5. Step 5: Solve for x
    x = 69,657,470,029.68/301,648.40
  6. Step 6: Final answer
    x = 230,922.72

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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.