Home / 380,374.02-524,911.50-208,290.06

Finding the Fourth Proportional to 380,374.02, 524,911.50 and 208,290.06

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Solution

The fourth proportional to 380,374.02, 524,911.50 and 208,290.06 is: 287,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,374.02 : 524,911.50 = 208,290.06 : x
  2. Step 2: Convert to fraction form
    380,374.02/524,911.50 = 208,290.06/x
  3. Step 3: Cross multiply
    380,374.02x = 524,911.50 × 208,290.06
  4. Step 4: Simplify right side
    380,374.02x = 109,333,847,829.69
  5. Step 5: Solve for x
    x = 109,333,847,829.69/380,374.02
  6. Step 6: Final answer
    x = 287,437.74

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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.