Finding the Fourth Proportional to 409,028.52, 564,482.68 and 245,734.98
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Solution
The fourth proportional to 409,028.52, 564,482.68 and 245,734.98 is: 339,128.28
Step by Step Solution
- Step 1: Write the proportion equation
409,028.52 : 564,482.68 = 245,734.98 : x - Step 2: Convert to fraction form
409,028.52/564,482.68 = 245,734.98/x - Step 3: Cross multiply
409,028.52x = 564,482.68 × 245,734.98 - Step 4: Simplify right side
409,028.52x = 138,713,140,080.15 - Step 5: Solve for x
x = 138,713,140,080.15/409,028.52 - Step 6: Final answer
x = 339,128.28
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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.