Finding the Fourth Proportional to 368,143.36, 552,215.04 and 118,862.08
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Solution
The fourth proportional to 368,143.36, 552,215.04 and 118,862.08 is: 178,293.12
Step by Step Solution
- Step 1: Write the proportion equation
368,143.36 : 552,215.04 = 118,862.08 : x - Step 2: Convert to fraction form
368,143.36/552,215.04 = 118,862.08/x - Step 3: Cross multiply
368,143.36x = 552,215.04 × 118,862.08 - Step 4: Simplify right side
368,143.36x = 65,637,428,261.68 - Step 5: Solve for x
x = 65,637,428,261.68/368,143.36 - Step 6: Final answer
x = 178,293.12
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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.