Home / 346,784.09-520,281.04-245,777.50

Finding the Fourth Proportional to 346,784.09, 520,281.04 and 245,777.50

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Solution

The fourth proportional to 346,784.09, 520,281.04 and 245,777.50 is: 368,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,784.09 : 520,281.04 = 245,777.50 : x
  2. Step 2: Convert to fraction form
    346,784.09/520,281.04 = 245,777.50/x
  3. Step 3: Cross multiply
    346,784.09x = 520,281.04 × 245,777.50
  4. Step 4: Simplify right side
    346,784.09x = 127,873,373,308.60
  5. Step 5: Solve for x
    x = 127,873,373,308.60/346,784.09
  6. Step 6: Final answer
    x = 368,740.60

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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.