Home / 346,686.37-520,055.67-103,508.19

Finding the Fourth Proportional to 346,686.37, 520,055.67 and 103,508.19

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Solution

The fourth proportional to 346,686.37, 520,055.67 and 103,508.19 is: 155,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,686.37 : 520,055.67 = 103,508.19 : x
  2. Step 2: Convert to fraction form
    346,686.37/520,055.67 = 103,508.19/x
  3. Step 3: Cross multiply
    346,686.37x = 520,055.67 × 103,508.19
  4. Step 4: Simplify right side
    346,686.37x = 53,830,021,489.09
  5. Step 5: Solve for x
    x = 53,830,021,489.09/346,686.37
  6. Step 6: Final answer
    x = 155,270.08

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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.