Finding the Fourth Proportional to 345,266.12, 517,970.19 and 145,587.08
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Solution
The fourth proportional to 345,266.12, 517,970.19 and 145,587.08 is: 218,410.56
Step by Step Solution
- Step 1: Write the proportion equation
345,266.12 : 517,970.19 = 145,587.08 : x - Step 2: Convert to fraction form
345,266.12/517,970.19 = 145,587.08/x - Step 3: Cross multiply
345,266.12x = 517,970.19 × 145,587.08 - Step 4: Simplify right side
345,266.12x = 75,409,767,489.15 - Step 5: Solve for x
x = 75,409,767,489.15/345,266.12 - Step 6: Final answer
x = 218,410.56
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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.