Home / 291,269.10-436,903.65-249,278.70

Finding the Fourth Proportional to 291,269.10, 436,903.65 and 249,278.70

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Solution

The fourth proportional to 291,269.10, 436,903.65 and 249,278.70 is: 373,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269.10 : 436,903.65 = 249,278.70 : x
  2. Step 2: Convert to fraction form
    291,269.10/436,903.65 = 249,278.70/x
  3. Step 3: Cross multiply
    291,269.10x = 436,903.65 × 249,278.70
  4. Step 4: Simplify right side
    291,269.10x = 108,910,773,897.26
  5. Step 5: Solve for x
    x = 108,910,773,897.26/291,269.10
  6. Step 6: Final answer
    x = 373,918.05

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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.