Home / 335,056.40-501,904.20-208,307.60

Finding the Fourth Proportional to 335,056.40, 501,904.20 and 208,307.60

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Solution

The fourth proportional to 335,056.40, 501,904.20 and 208,307.60 is: 312,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,056.40 : 501,904.20 = 208,307.60 : x
  2. Step 2: Convert to fraction form
    335,056.40/501,904.20 = 208,307.60/x
  3. Step 3: Cross multiply
    335,056.40x = 501,904.20 × 208,307.60
  4. Step 4: Simplify right side
    335,056.40x = 104,550,459,331.92
  5. Step 5: Solve for x
    x = 104,550,459,331.92/335,056.40
  6. Step 6: Final answer
    x = 312,038.39

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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.