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Finding the Fourth Proportional to 565,547.10, 848,029.05 and 210,378.30

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Solution

The fourth proportional to 565,547.10, 848,029.05 and 210,378.30 is: 315,458.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,547.10 : 848,029.05 = 210,378.30 : x
  2. Step 2: Convert to fraction form
    565,547.10/848,029.05 = 210,378.30/x
  3. Step 3: Cross multiply
    565,547.10x = 848,029.05 × 210,378.30
  4. Step 4: Simplify right side
    565,547.10x = 178,406,909,889.62
  5. Step 5: Solve for x
    x = 178,406,909,889.62/565,547.10
  6. Step 6: Final answer
    x = 315,458.98

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1.5x scale

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.