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Finding the Fourth Proportional to 371,030.40, 556,584.48 and 160,689.60

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Solution

The fourth proportional to 371,030.40, 556,584.48 and 160,689.60 is: 241,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,030.40 : 556,584.48 = 160,689.60 : x
  2. Step 2: Convert to fraction form
    371,030.40/556,584.48 = 160,689.60/x
  3. Step 3: Cross multiply
    371,030.40x = 556,584.48 × 160,689.60
  4. Step 4: Simplify right side
    371,030.40x = 89,437,337,457.41
  5. Step 5: Solve for x
    x = 89,437,337,457.41/371,030.40
  6. Step 6: Final answer
    x = 241,051.24

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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.