Home / 210,575.79-290,507.55-153,089.07

Finding the Fourth Proportional to 210,575.79, 290,507.55 and 153,089.07

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Solution

The fourth proportional to 210,575.79, 290,507.55 and 153,089.07 is: 211,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,575.79 : 290,507.55 = 153,089.07 : x
  2. Step 2: Convert to fraction form
    210,575.79/290,507.55 = 153,089.07/x
  3. Step 3: Cross multiply
    210,575.79x = 290,507.55 × 153,089.07
  4. Step 4: Simplify right side
    210,575.79x = 44,473,530,657.48
  5. Step 5: Solve for x
    x = 44,473,530,657.48/210,575.79
  6. Step 6: Final answer
    x = 211,199.64

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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.