Home / 229,709.04-317,075.90-157,155.32

Finding the Fourth Proportional to 229,709.04, 317,075.90 and 157,155.32

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Solution

The fourth proportional to 229,709.04, 317,075.90 and 157,155.32 is: 216,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,709.04 : 317,075.90 = 157,155.32 : x
  2. Step 2: Convert to fraction form
    229,709.04/317,075.90 = 157,155.32/x
  3. Step 3: Cross multiply
    229,709.04x = 317,075.90 × 157,155.32
  4. Step 4: Simplify right side
    229,709.04x = 49,830,162,157.63
  5. Step 5: Solve for x
    x = 49,830,162,157.63/229,709.04
  6. Step 6: Final answer
    x = 216,927.30

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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.