Finding the Fourth Proportional to 615,149.64, 922,718.79 and 194,425.74
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Solution
The fourth proportional to 615,149.64, 922,718.79 and 194,425.74 is: 291,636.82
Step by Step Solution
- Step 1: Write the proportion equation
615,149.64 : 922,718.79 = 194,425.74 : x - Step 2: Convert to fraction form
615,149.64/922,718.79 = 194,425.74/x - Step 3: Cross multiply
615,149.64x = 922,718.79 × 194,425.74 - Step 4: Simplify right side
615,149.64x = 179,400,283,557.66 - Step 5: Solve for x
x = 179,400,283,557.66/615,149.64 - Step 6: Final answer
x = 291,636.82
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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.