Home / 369,929.08-510,503.88-208,790.92

Finding the Fourth Proportional to 369,929.08, 510,503.88 and 208,790.92

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Solution

The fourth proportional to 369,929.08, 510,503.88 and 208,790.92 is: 288,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,929.08 : 510,503.88 = 208,790.92 : x
  2. Step 2: Convert to fraction form
    369,929.08/510,503.88 = 208,790.92/x
  3. Step 3: Cross multiply
    369,929.08x = 510,503.88 × 208,790.92
  4. Step 4: Simplify right side
    369,929.08x = 106,588,574,768.77
  5. Step 5: Solve for x
    x = 106,588,574,768.77/369,929.08
  6. Step 6: Final answer
    x = 288,132.46

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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.