Finding the Fourth Proportional to 340,355.68, 469,672.44 and 187,364.08
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Solution
The fourth proportional to 340,355.68, 469,672.44 and 187,364.08 is: 258,552.30
Step by Step Solution
- Step 1: Write the proportion equation
340,355.68 : 469,672.44 = 187,364.08 : x - Step 2: Convert to fraction form
340,355.68/469,672.44 = 187,364.08/x - Step 3: Cross multiply
340,355.68x = 469,672.44 × 187,364.08 - Step 4: Simplify right side
340,355.68x = 87,999,744,621.96 - Step 5: Solve for x
x = 87,999,744,621.96/340,355.68 - Step 6: Final answer
x = 258,552.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.