Home / 430,356.04-645,089.46-164,045.08

Finding the Fourth Proportional to 430,356.04, 645,089.46 and 164,045.08

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Solution

The fourth proportional to 430,356.04, 645,089.46 and 164,045.08 is: 245,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,356.04 : 645,089.46 = 164,045.08 : x
  2. Step 2: Convert to fraction form
    430,356.04/645,089.46 = 164,045.08/x
  3. Step 3: Cross multiply
    430,356.04x = 645,089.46 × 164,045.08
  4. Step 4: Simplify right side
    430,356.04x = 105,823,752,072.86
  5. Step 5: Solve for x
    x = 105,823,752,072.86/430,356.04
  6. Step 6: Final answer
    x = 245,898.15

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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.