Home / 314,412.08-433,875.06-171,172.62

Finding the Fourth Proportional to 314,412.08, 433,875.06 and 171,172.62

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Solution

The fourth proportional to 314,412.08, 433,875.06 and 171,172.62 is: 236,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,412.08 : 433,875.06 = 171,172.62 : x
  2. Step 2: Convert to fraction form
    314,412.08/433,875.06 = 171,172.62/x
  3. Step 3: Cross multiply
    314,412.08x = 433,875.06 × 171,172.62
  4. Step 4: Simplify right side
    314,412.08x = 74,267,531,001.68
  5. Step 5: Solve for x
    x = 74,267,531,001.68/314,412.08
  6. Step 6: Final answer
    x = 236,210.81

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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.