Home / 301,721.40-452,873.70-152,130.60

Finding the Fourth Proportional to 301,721.40, 452,873.70 and 152,130.60

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Solution

The fourth proportional to 301,721.40, 452,873.70 and 152,130.60 is: 228,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,721.40 : 452,873.70 = 152,130.60 : x
  2. Step 2: Convert to fraction form
    301,721.40/452,873.70 = 152,130.60/x
  3. Step 3: Cross multiply
    301,721.40x = 452,873.70 × 152,130.60
  4. Step 4: Simplify right side
    301,721.40x = 68,895,947,705.22
  5. Step 5: Solve for x
    x = 68,895,947,705.22/301,721.40
  6. Step 6: Final answer
    x = 228,342.93

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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.