Finding the Fourth Proportional to 368,478.14, 553,015.12 and 191,035.92
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Solution
The fourth proportional to 368,478.14, 553,015.12 and 191,035.92 is: 286,708.33
Step by Step Solution
- Step 1: Write the proportion equation
368,478.14 : 553,015.12 = 191,035.92 : x - Step 2: Convert to fraction form
368,478.14/553,015.12 = 191,035.92/x - Step 3: Cross multiply
368,478.14x = 553,015.12 × 191,035.92 - Step 4: Simplify right side
368,478.14x = 105,645,752,223.11 - Step 5: Solve for x
x = 105,645,752,223.11/368,478.14 - Step 6: Final answer
x = 286,708.33
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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.