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Finding the Fourth Proportional to 285,868.36, 429,059.58 and 152,862.31

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Solution

The fourth proportional to 285,868.36, 429,059.58 and 152,862.31 is: 229,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,868.36 : 429,059.58 = 152,862.31 : x
  2. Step 2: Convert to fraction form
    285,868.36/429,059.58 = 152,862.31/x
  3. Step 3: Cross multiply
    285,868.36x = 429,059.58 × 152,862.31
  4. Step 4: Simplify right side
    285,868.36x = 65,587,038,526.43
  5. Step 5: Solve for x
    x = 65,587,038,526.43/285,868.36
  6. Step 6: Final answer
    x = 229,430.91

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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.