Home / 380,595.93-525,254.40-210,845.85

Finding the Fourth Proportional to 380,595.93, 525,254.40 and 210,845.85

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Solution

The fourth proportional to 380,595.93, 525,254.40 and 210,845.85 is: 290,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,595.93 : 525,254.40 = 210,845.85 : x
  2. Step 2: Convert to fraction form
    380,595.93/525,254.40 = 210,845.85/x
  3. Step 3: Cross multiply
    380,595.93x = 525,254.40 × 210,845.85
  4. Step 4: Simplify right side
    380,595.93x = 110,747,710,434.24
  5. Step 5: Solve for x
    x = 110,747,710,434.24/380,595.93
  6. Step 6: Final answer
    x = 290,985.01

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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.