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Finding the Fourth Proportional to 210,036.69, 315,117.60 and 97,783.24

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Solution

The fourth proportional to 210,036.69, 315,117.60 and 97,783.24 is: 146,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,036.69 : 315,117.60 = 97,783.24 : x
  2. Step 2: Convert to fraction form
    210,036.69/315,117.60 = 97,783.24/x
  3. Step 3: Cross multiply
    210,036.69x = 315,117.60 × 97,783.24
  4. Step 4: Simplify right side
    210,036.69x = 30,813,219,909.02
  5. Step 5: Solve for x
    x = 30,813,219,909.02/210,036.69
  6. Step 6: Final answer
    x = 146,703.99

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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.