Home / 465,994.19-643,058.98-282,341.50

Finding the Fourth Proportional to 465,994.19, 643,058.98 and 282,341.50

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Solution

The fourth proportional to 465,994.19, 643,058.98 and 282,341.50 is: 389,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,994.19 : 643,058.98 = 282,341.50 : x
  2. Step 2: Convert to fraction form
    465,994.19/643,058.98 = 282,341.50/x
  3. Step 3: Cross multiply
    465,994.19x = 643,058.98 × 282,341.50
  4. Step 4: Simplify right side
    465,994.19x = 181,562,237,099.64
  5. Step 5: Solve for x
    x = 181,562,237,099.64/465,994.19
  6. Step 6: Final answer
    x = 389,623.40

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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.