Home / 307,088.60-423,771.48-171,115.52

Finding the Fourth Proportional to 307,088.60, 423,771.48 and 171,115.52

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Solution

The fourth proportional to 307,088.60, 423,771.48 and 171,115.52 is: 236,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,088.60 : 423,771.48 = 171,115.52 : x
  2. Step 2: Convert to fraction form
    307,088.60/423,771.48 = 171,115.52/x
  3. Step 3: Cross multiply
    307,088.60x = 423,771.48 × 171,115.52
  4. Step 4: Simplify right side
    307,088.60x = 72,513,875,042.51
  5. Step 5: Solve for x
    x = 72,513,875,042.51/307,088.60
  6. Step 6: Final answer
    x = 236,133.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.