Home / 210,030.60-315,045.24-52,259.04

Finding the Fourth Proportional to 210,030.60, 315,045.24 and 52,259.04

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Solution

The fourth proportional to 210,030.60, 315,045.24 and 52,259.04 is: 78,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,030.60 : 315,045.24 = 52,259.04 : x
  2. Step 2: Convert to fraction form
    210,030.60/315,045.24 = 52,259.04/x
  3. Step 3: Cross multiply
    210,030.60x = 315,045.24 × 52,259.04
  4. Step 4: Simplify right side
    210,030.60x = 16,463,961,798.97
  5. Step 5: Solve for x
    x = 16,463,961,798.97/210,030.60
  6. Step 6: Final answer
    x = 78,388.40

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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.