Home / 287,430.35-396,666.14-160,106.00

Finding the Fourth Proportional to 287,430.35, 396,666.14 and 160,106.00

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Solution

The fourth proportional to 287,430.35, 396,666.14 and 160,106.00 is: 220,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,430.35 : 396,666.14 = 160,106.00 : x
  2. Step 2: Convert to fraction form
    287,430.35/396,666.14 = 160,106.00/x
  3. Step 3: Cross multiply
    287,430.35x = 396,666.14 × 160,106.00
  4. Step 4: Simplify right side
    287,430.35x = 63,508,626,226.98
  5. Step 5: Solve for x
    x = 63,508,626,226.98/287,430.35
  6. Step 6: Final answer
    x = 220,953.10

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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.