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Finding the Fourth Proportional to 405,001.60, 607,502.40 and 245,569.30

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Solution

The fourth proportional to 405,001.60, 607,502.40 and 245,569.30 is: 368,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,001.60 : 607,502.40 = 245,569.30 : x
  2. Step 2: Convert to fraction form
    405,001.60/607,502.40 = 245,569.30/x
  3. Step 3: Cross multiply
    405,001.60x = 607,502.40 × 245,569.30
  4. Step 4: Simplify right side
    405,001.60x = 149,183,939,116.32
  5. Step 5: Solve for x
    x = 149,183,939,116.32/405,001.60
  6. Step 6: Final answer
    x = 368,353.95

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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.