Finding the Fourth Proportional to 326,438.10, 489,580.56 and 157,875.06
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Solution
The fourth proportional to 326,438.10, 489,580.56 and 157,875.06 is: 236,775.55
Step by Step Solution
- Step 1: Write the proportion equation
326,438.10 : 489,580.56 = 157,875.06 : x - Step 2: Convert to fraction form
326,438.10/489,580.56 = 157,875.06/x - Step 3: Cross multiply
326,438.10x = 489,580.56 × 157,875.06 - Step 4: Simplify right side
326,438.10x = 77,292,560,284.83 - Step 5: Solve for x
x = 77,292,560,284.83/326,438.10 - Step 6: Final answer
x = 236,775.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.