Finding the Fourth Proportional to 368,708.13, 553,066.44 and 155,512.08
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Solution
The fourth proportional to 368,708.13, 553,066.44 and 155,512.08 is: 233,269.91
Step by Step Solution
- Step 1: Write the proportion equation
368,708.13 : 553,066.44 = 155,512.08 : x - Step 2: Convert to fraction form
368,708.13/553,066.44 = 155,512.08/x - Step 3: Cross multiply
368,708.13x = 553,066.44 × 155,512.08 - Step 4: Simplify right side
368,708.13x = 86,008,512,462.60 - Step 5: Solve for x
x = 86,008,512,462.60/368,708.13 - Step 6: Final answer
x = 233,269.91
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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.