Finding the Fourth Proportional to 326,001.70, 489,088.95 and 115,617.70
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Solution
The fourth proportional to 326,001.70, 489,088.95 and 115,617.70 is: 173,457.19
Step by Step Solution
- Step 1: Write the proportion equation
326,001.70 : 489,088.95 = 115,617.70 : x - Step 2: Convert to fraction form
326,001.70/489,088.95 = 115,617.70/x - Step 3: Cross multiply
326,001.70x = 489,088.95 × 115,617.70 - Step 4: Simplify right side
326,001.70x = 56,547,339,494.42 - Step 5: Solve for x
x = 56,547,339,494.42/326,001.70 - Step 6: Final answer
x = 173,457.19
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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.