Home / 369,452.09-553,298.47-235,918.73

Finding the Fourth Proportional to 369,452.09, 553,298.47 and 235,918.73

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Solution

The fourth proportional to 369,452.09, 553,298.47 and 235,918.73 is: 353,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,452.09 : 553,298.47 = 235,918.73 : x
  2. Step 2: Convert to fraction form
    369,452.09/553,298.47 = 235,918.73/x
  3. Step 3: Cross multiply
    369,452.09x = 553,298.47 × 235,918.73
  4. Step 4: Simplify right side
    369,452.09x = 130,533,473,146.79
  5. Step 5: Solve for x
    x = 130,533,473,146.79/369,452.09
  6. Step 6: Final answer
    x = 353,316.37

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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.