Home / 434,368.36-651,465.06-118,857.16

Finding the Fourth Proportional to 434,368.36, 651,465.06 and 118,857.16

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Solution

The fourth proportional to 434,368.36, 651,465.06 and 118,857.16 is: 178,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,368.36 : 651,465.06 = 118,857.16 : x
  2. Step 2: Convert to fraction form
    434,368.36/651,465.06 = 118,857.16/x
  3. Step 3: Cross multiply
    434,368.36x = 651,465.06 × 118,857.16
  4. Step 4: Simplify right side
    434,368.36x = 77,431,286,870.83
  5. Step 5: Solve for x
    x = 77,431,286,870.83/434,368.36
  6. Step 6: Final answer
    x = 178,261.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.