Home / 384,827.48-531,085.50-215,075.16

Finding the Fourth Proportional to 384,827.48, 531,085.50 and 215,075.16

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Solution

The fourth proportional to 384,827.48, 531,085.50 and 215,075.16 is: 296,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,827.48 : 531,085.50 = 215,075.16 : x
  2. Step 2: Convert to fraction form
    384,827.48/531,085.50 = 215,075.16/x
  3. Step 3: Cross multiply
    384,827.48x = 531,085.50 × 215,075.16
  4. Step 4: Simplify right side
    384,827.48x = 114,223,298,886.18
  5. Step 5: Solve for x
    x = 114,223,298,886.18/384,827.48
  6. Step 6: Final answer
    x = 296,816.90

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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.