Home / 389,176.08-537,055.83-219,410.34

Finding the Fourth Proportional to 389,176.08, 537,055.83 and 219,410.34

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Solution

The fourth proportional to 389,176.08, 537,055.83 and 219,410.34 is: 302,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,176.08 : 537,055.83 = 219,410.34 : x
  2. Step 2: Convert to fraction form
    389,176.08/537,055.83 = 219,410.34/x
  3. Step 3: Cross multiply
    389,176.08x = 537,055.83 × 219,410.34
  4. Step 4: Simplify right side
    389,176.08x = 117,835,602,259.28
  5. Step 5: Solve for x
    x = 117,835,602,259.28/389,176.08
  6. Step 6: Final answer
    x = 302,782.23

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Why These Related Problems?

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