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Finding the Fourth Proportional to 473,176.65, 652,980.46 and 258,316.72

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Solution

The fourth proportional to 473,176.65, 652,980.46 and 258,316.72 is: 356,475.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,176.65 : 652,980.46 = 258,316.72 : x
  2. Step 2: Convert to fraction form
    473,176.65/652,980.46 = 258,316.72/x
  3. Step 3: Cross multiply
    473,176.65x = 652,980.46 × 258,316.72
  4. Step 4: Simplify right side
    473,176.65x = 168,675,769,341.74
  5. Step 5: Solve for x
    x = 168,675,769,341.74/473,176.65
  6. Step 6: Final answer
    x = 356,475.26

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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.