Home / 368,916.48-509,339.78-301,095.23

Finding the Fourth Proportional to 368,916.48, 509,339.78 and 301,095.23

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Solution

The fourth proportional to 368,916.48, 509,339.78 and 301,095.23 is: 415,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,916.48 : 509,339.78 = 301,095.23 : x
  2. Step 2: Convert to fraction form
    368,916.48/509,339.78 = 301,095.23/x
  3. Step 3: Cross multiply
    368,916.48x = 509,339.78 × 301,095.23
  4. Step 4: Simplify right side
    368,916.48x = 153,359,774,155.07
  5. Step 5: Solve for x
    x = 153,359,774,155.07/368,916.48
  6. Step 6: Final answer
    x = 415,703.23

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1.5x scale

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.