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Finding the Fourth Proportional to 258,303.60, 387,076.32 and 183,567.60

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Solution

The fourth proportional to 258,303.60, 387,076.32 and 183,567.60 is: 275,082.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,303.60 : 387,076.32 = 183,567.60 : x
  2. Step 2: Convert to fraction form
    258,303.60/387,076.32 = 183,567.60/x
  3. Step 3: Cross multiply
    258,303.60x = 387,076.32 × 183,567.60
  4. Step 4: Simplify right side
    258,303.60x = 71,054,671,079.23
  5. Step 5: Solve for x
    x = 71,054,671,079.23/258,303.60
  6. Step 6: Final answer
    x = 275,082.00

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1.5x scale

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.