Home / 314,973.40-472,460.10-189,002.20

Finding the Fourth Proportional to 314,973.40, 472,460.10 and 189,002.20

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Solution

The fourth proportional to 314,973.40, 472,460.10 and 189,002.20 is: 283,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,973.40 : 472,460.10 = 189,002.20 : x
  2. Step 2: Convert to fraction form
    314,973.40/472,460.10 = 189,002.20/x
  3. Step 3: Cross multiply
    314,973.40x = 472,460.10 × 189,002.20
  4. Step 4: Simplify right side
    314,973.40x = 89,295,998,312.22
  5. Step 5: Solve for x
    x = 89,295,998,312.22/314,973.40
  6. Step 6: Final answer
    x = 283,503.30

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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.