Home / 281,430.48-388,374.72-152,370.24

Finding the Fourth Proportional to 281,430.48, 388,374.72 and 152,370.24

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Solution

The fourth proportional to 281,430.48, 388,374.72 and 152,370.24 is: 210,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,430.48 : 388,374.72 = 152,370.24 : x
  2. Step 2: Convert to fraction form
    281,430.48/388,374.72 = 152,370.24/x
  3. Step 3: Cross multiply
    281,430.48x = 388,374.72 × 152,370.24
  4. Step 4: Simplify right side
    281,430.48x = 59,176,749,296.33
  5. Step 5: Solve for x
    x = 59,176,749,296.33/281,430.48
  6. Step 6: Final answer
    x = 210,271.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.