Finding the Fourth Proportional to 615,129.60, 922,694.40 and 615,129.60
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Solution
The fourth proportional to 615,129.60, 922,694.40 and 615,129.60 is: 922,694.40
Step by Step Solution
- Step 1: Write the proportion equation
615,129.60 : 922,694.40 = 615,129.60 : x - Step 2: Convert to fraction form
615,129.60/922,694.40 = 615,129.60/x - Step 3: Cross multiply
615,129.60x = 922,694.40 × 615,129.60 - Step 4: Simplify right side
615,129.60x = 567,576,637,194.24 - Step 5: Solve for x
x = 567,576,637,194.24/615,129.60 - Step 6: Final answer
x = 922,694.40
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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.