Home / 287,127.18-430,779.06-146,984.22

Finding the Fourth Proportional to 287,127.18, 430,779.06 and 146,984.22

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Solution

The fourth proportional to 287,127.18, 430,779.06 and 146,984.22 is: 220,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,127.18 : 430,779.06 = 146,984.22 : x
  2. Step 2: Convert to fraction form
    287,127.18/430,779.06 = 146,984.22/x
  3. Step 3: Cross multiply
    287,127.18x = 430,779.06 × 146,984.22
  4. Step 4: Simplify right side
    287,127.18x = 63,317,724,126.43
  5. Step 5: Solve for x
    x = 63,317,724,126.43/287,127.18
  6. Step 6: Final answer
    x = 220,521.53

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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.