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Finding the Fourth Proportional to 210,303.68, 290,235.64 and 119,663.46

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Solution

The fourth proportional to 210,303.68, 290,235.64 and 119,663.46 is: 165,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,303.68 : 290,235.64 = 119,663.46 : x
  2. Step 2: Convert to fraction form
    210,303.68/290,235.64 = 119,663.46/x
  3. Step 3: Cross multiply
    210,303.68x = 290,235.64 × 119,663.46
  4. Step 4: Simplify right side
    210,303.68x = 34,730,600,897.71
  5. Step 5: Solve for x
    x = 34,730,600,897.71/210,303.68
  6. Step 6: Final answer
    x = 165,145.00

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1.5x scale

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.