Finding the Fourth Proportional to 357,339.21, 493,129.08 and 196,204.71
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Solution
The fourth proportional to 357,339.21, 493,129.08 and 196,204.71 is: 270,763.03
Step by Step Solution
- Step 1: Write the proportion equation
357,339.21 : 493,129.08 = 196,204.71 : x - Step 2: Convert to fraction form
357,339.21/493,129.08 = 196,204.71/x - Step 3: Cross multiply
357,339.21x = 493,129.08 × 196,204.71 - Step 4: Simplify right side
357,339.21x = 96,754,248,133.97 - Step 5: Solve for x
x = 96,754,248,133.97/357,339.21 - Step 6: Final answer
x = 270,763.03
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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.