Finding the Fourth Proportional to 338,511.60, 507,621.60 and 169,966.80
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Solution
The fourth proportional to 338,511.60, 507,621.60 and 169,966.80 is: 254,876.99
Step by Step Solution
- Step 1: Write the proportion equation
338,511.60 : 507,621.60 = 169,966.80 : x - Step 2: Convert to fraction form
338,511.60/507,621.60 = 169,966.80/x - Step 3: Cross multiply
338,511.60x = 507,621.60 × 169,966.80 - Step 4: Simplify right side
338,511.60x = 86,278,818,962.88 - Step 5: Solve for x
x = 86,278,818,962.88/338,511.60 - Step 6: Final answer
x = 254,876.99
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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.