Finding the Fourth Proportional to 787,955.84, 1,181,926.08 and 196,979.84
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Solution
The fourth proportional to 787,955.84, 1,181,926.08 and 196,979.84 is: 295,467.84
Step by Step Solution
- Step 1: Write the proportion equation
787,955.84 : 1,181,926.08 = 196,979.84 : x - Step 2: Convert to fraction form
787,955.84/1,181,926.08 = 196,979.84/x - Step 3: Cross multiply
787,955.84x = 1,181,926.08 × 196,979.84 - Step 4: Simplify right side
787,955.84x = 232,815,610,130.23 - Step 5: Solve for x
x = 232,815,610,130.23/787,955.84 - Step 6: Final answer
x = 295,467.84
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1.5x scale
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.