Finding the Fourth Proportional to 369,210.67, 553,815.95 and 88,727.92
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Solution
The fourth proportional to 369,210.67, 553,815.95 and 88,727.92 is: 133,091.86
Step by Step Solution
- Step 1: Write the proportion equation
369,210.67 : 553,815.95 = 88,727.92 : x - Step 2: Convert to fraction form
369,210.67/553,815.95 = 88,727.92/x - Step 3: Cross multiply
369,210.67x = 553,815.95 × 88,727.92 - Step 4: Simplify right side
369,210.67x = 49,138,935,478.14 - Step 5: Solve for x
x = 49,138,935,478.14/369,210.67 - Step 6: Final answer
x = 133,091.86
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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.