Home / 346,688.37-520,058.67-103,510.19

Finding the Fourth Proportional to 346,688.37, 520,058.67 and 103,510.19

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Solution

The fourth proportional to 346,688.37, 520,058.67 and 103,510.19 is: 155,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,688.37 : 520,058.67 = 103,510.19 : x
  2. Step 2: Convert to fraction form
    346,688.37/520,058.67 = 103,510.19/x
  3. Step 3: Cross multiply
    346,688.37x = 520,058.67 × 103,510.19
  4. Step 4: Simplify right side
    346,688.37x = 53,831,371,742.85
  5. Step 5: Solve for x
    x = 53,831,371,742.85/346,688.37
  6. Step 6: Final answer
    x = 155,273.08

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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.