Home / 448,130-618,432.36-246,938.96

Finding the Fourth Proportional to 448,130, 618,432.36 and 246,938.96

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Solution

The fourth proportional to 448,130, 618,432.36 and 246,938.96 is: 340,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,130 : 618,432.36 = 246,938.96 : x
  2. Step 2: Convert to fraction form
    448,130/618,432.36 = 246,938.96/x
  3. Step 3: Cross multiply
    448,130x = 618,432.36 × 246,938.96
  4. Step 4: Simplify right side
    448,130x = 152,715,043,808.75
  5. Step 5: Solve for x
    x = 152,715,043,808.75/448,130
  6. Step 6: Final answer
    x = 340,782.91

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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.