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Finding the Fourth Proportional to 219,061.60, 302,305.02 and 118,459.60

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Solution

The fourth proportional to 219,061.60, 302,305.02 and 118,459.60 is: 163,474.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,061.60 : 302,305.02 = 118,459.60 : x
  2. Step 2: Convert to fraction form
    219,061.60/302,305.02 = 118,459.60/x
  3. Step 3: Cross multiply
    219,061.60x = 302,305.02 × 118,459.60
  4. Step 4: Simplify right side
    219,061.60x = 35,810,931,747.19
  5. Step 5: Solve for x
    x = 35,810,931,747.19/219,061.60
  6. Step 6: Final answer
    x = 163,474.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.