Finding the Fourth Proportional to 368,199.47, 552,459.08 and 199,838.75
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Solution
The fourth proportional to 368,199.47, 552,459.08 and 199,838.75 is: 299,844.89
Step by Step Solution
- Step 1: Write the proportion equation
368,199.47 : 552,459.08 = 199,838.75 : x - Step 2: Convert to fraction form
368,199.47/552,459.08 = 199,838.75/x - Step 3: Cross multiply
368,199.47x = 552,459.08 × 199,838.75 - Step 4: Simplify right side
368,199.47x = 110,402,729,710.65 - Step 5: Solve for x
x = 110,402,729,710.65/368,199.47 - Step 6: Final answer
x = 299,844.89
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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.