Finding the Fourth Proportional to 567,534.08, 783,173.44 and 309,405.44
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Solution
The fourth proportional to 567,534.08, 783,173.44 and 309,405.44 is: 426,966.65
Step by Step Solution
- Step 1: Write the proportion equation
567,534.08 : 783,173.44 = 309,405.44 : x - Step 2: Convert to fraction form
567,534.08/783,173.44 = 309,405.44/x - Step 3: Cross multiply
567,534.08x = 783,173.44 × 309,405.44 - Step 4: Simplify right side
567,534.08x = 242,318,122,799.51 - Step 5: Solve for x
x = 242,318,122,799.51/567,534.08 - Step 6: Final answer
x = 426,966.65
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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.