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Finding the Fourth Proportional to 475,526.84, 656,235.18 and 260,653.16

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Solution

The fourth proportional to 475,526.84, 656,235.18 and 260,653.16 is: 359,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,526.84 : 656,235.18 = 260,653.16 : x
  2. Step 2: Convert to fraction form
    475,526.84/656,235.18 = 260,653.16/x
  3. Step 3: Cross multiply
    475,526.84x = 656,235.18 × 260,653.16
  4. Step 4: Simplify right side
    475,526.84x = 171,049,773,370.17
  5. Step 5: Solve for x
    x = 171,049,773,370.17/475,526.84
  6. Step 6: Final answer
    x = 359,705.82

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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.