Finding the Fourth Proportional to 357,339.57, 493,129.61 and 196,205.06
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Solution
The fourth proportional to 357,339.57, 493,129.61 and 196,205.06 is: 270,763.52
Step by Step Solution
- Step 1: Write the proportion equation
357,339.57 : 493,129.61 = 196,205.06 : x - Step 2: Convert to fraction form
357,339.57/493,129.61 = 196,205.06/x - Step 3: Cross multiply
357,339.57x = 493,129.61 × 196,205.06 - Step 4: Simplify right side
357,339.57x = 96,754,521,271.15 - Step 5: Solve for x
x = 96,754,521,271.15/357,339.57 - Step 6: Final answer
x = 270,763.52
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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.