Home / 742,637.90-1,114,050.65-210,159.11

Finding the Fourth Proportional to 742,637.90, 1,114,050.65 and 210,159.11

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Solution

The fourth proportional to 742,637.90, 1,114,050.65 and 210,159.11 is: 315,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,637.90 : 1,114,050.65 = 210,159.11 : x
  2. Step 2: Convert to fraction form
    742,637.90/1,114,050.65 = 210,159.11/x
  3. Step 3: Cross multiply
    742,637.90x = 1,114,050.65 × 210,159.11
  4. Step 4: Simplify right side
    742,637.90x = 234,127,888,566.72
  5. Step 5: Solve for x
    x = 234,127,888,566.72/742,637.90
  6. Step 6: Final answer
    x = 315,265.20

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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.