Home / 305,428.04-421,482.76-169,461.44

Finding the Fourth Proportional to 305,428.04, 421,482.76 and 169,461.44

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Solution

The fourth proportional to 305,428.04, 421,482.76 and 169,461.44 is: 233,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,428.04 : 421,482.76 = 169,461.44 : x
  2. Step 2: Convert to fraction form
    305,428.04/421,482.76 = 169,461.44/x
  3. Step 3: Cross multiply
    305,428.04x = 421,482.76 × 169,461.44
  4. Step 4: Simplify right side
    305,428.04x = 71,425,075,444.77
  5. Step 5: Solve for x
    x = 71,425,075,444.77/305,428.04
  6. Step 6: Final answer
    x = 233,852.38

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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.