Finding the Fourth Proportional to 838,271.61, 1,257,419.22 and 239,232.84
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Solution
The fourth proportional to 838,271.61, 1,257,419.22 and 239,232.84 is: 358,852.63
Step by Step Solution
- Step 1: Write the proportion equation
838,271.61 : 1,257,419.22 = 239,232.84 : x - Step 2: Convert to fraction form
838,271.61/1,257,419.22 = 239,232.84/x - Step 3: Cross multiply
838,271.61x = 1,257,419.22 × 239,232.84 - Step 4: Simplify right side
838,271.61x = 300,815,971,071.19 - Step 5: Solve for x
x = 300,815,971,071.19/838,271.61 - Step 6: Final answer
x = 358,852.63
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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.