Home / 287,483.04-430,897.62-174,915.18

Finding the Fourth Proportional to 287,483.04, 430,897.62 and 174,915.18

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Solution

The fourth proportional to 287,483.04, 430,897.62 and 174,915.18 is: 262,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,483.04 : 430,897.62 = 174,915.18 : x
  2. Step 2: Convert to fraction form
    287,483.04/430,897.62 = 174,915.18/x
  3. Step 3: Cross multiply
    287,483.04x = 430,897.62 × 174,915.18
  4. Step 4: Simplify right side
    287,483.04x = 75,370,534,763.87
  5. Step 5: Solve for x
    x = 75,370,534,763.87/287,483.04
  6. Step 6: Final answer
    x = 262,173.85

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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.