Finding the Fourth Proportional to 326,354.16, 489,671.52 and 176,701.36
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Solution
The fourth proportional to 326,354.16, 489,671.52 and 176,701.36 is: 265,127.99
Step by Step Solution
- Step 1: Write the proportion equation
326,354.16 : 489,671.52 = 176,701.36 : x - Step 2: Convert to fraction form
326,354.16/489,671.52 = 176,701.36/x - Step 3: Cross multiply
326,354.16x = 489,671.52 × 176,701.36 - Step 4: Simplify right side
326,354.16x = 86,525,623,537.27 - Step 5: Solve for x
x = 86,525,623,537.27/326,354.16 - Step 6: Final answer
x = 265,127.99
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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.