Home / 371,685.60-557,528.40-306,075.60

Finding the Fourth Proportional to 371,685.60, 557,528.40 and 306,075.60

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Solution

The fourth proportional to 371,685.60, 557,528.40 and 306,075.60 is: 459,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,685.60 : 557,528.40 = 306,075.60 : x
  2. Step 2: Convert to fraction form
    371,685.60/557,528.40 = 306,075.60/x
  3. Step 3: Cross multiply
    371,685.60x = 557,528.40 × 306,075.60
  4. Step 4: Simplify right side
    371,685.60x = 170,645,839,547.04
  5. Step 5: Solve for x
    x = 170,645,839,547.04/371,685.60
  6. Step 6: Final answer
    x = 459,113.40

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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.