Finding the Fourth Proportional to 489,547.74, 734,155.26 and 169,624.95
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Solution
The fourth proportional to 489,547.74, 734,155.26 and 169,624.95 is: 254,379.79
Step by Step Solution
- Step 1: Write the proportion equation
489,547.74 : 734,155.26 = 169,624.95 : x - Step 2: Convert to fraction form
489,547.74/734,155.26 = 169,624.95/x - Step 3: Cross multiply
489,547.74x = 734,155.26 × 169,624.95 - Step 4: Simplify right side
489,547.74x = 124,531,049,269.74 - Step 5: Solve for x
x = 124,531,049,269.74/489,547.74 - Step 6: Final answer
x = 254,379.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.