Home / 369,617.40-510,164.96-208,565.37

Finding the Fourth Proportional to 369,617.40, 510,164.96 and 208,565.37

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Solution

The fourth proportional to 369,617.40, 510,164.96 and 208,565.37 is: 287,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,617.40 : 510,164.96 = 208,565.37 : x
  2. Step 2: Convert to fraction form
    369,617.40/510,164.96 = 208,565.37/x
  3. Step 3: Cross multiply
    369,617.40x = 510,164.96 × 208,565.37
  4. Step 4: Simplify right side
    369,617.40x = 106,402,742,600.61
  5. Step 5: Solve for x
    x = 106,402,742,600.61/369,617.40
  6. Step 6: Final answer
    x = 287,872.66

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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.