Home / 540,835.47-811,299.24-141,475.64

Finding the Fourth Proportional to 540,835.47, 811,299.24 and 141,475.64

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Solution

The fourth proportional to 540,835.47, 811,299.24 and 141,475.64 is: 212,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,835.47 : 811,299.24 = 141,475.64 : x
  2. Step 2: Convert to fraction form
    540,835.47/811,299.24 = 141,475.64/x
  3. Step 3: Cross multiply
    540,835.47x = 811,299.24 × 141,475.64
  4. Step 4: Simplify right side
    540,835.47x = 114,779,075,154.02
  5. Step 5: Solve for x
    x = 114,779,075,154.02/540,835.47
  6. Step 6: Final answer
    x = 212,225.49

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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.