Finding the Fourth Proportional to 369,099.18, 553,993.19 and 189,319.58
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Solution
The fourth proportional to 369,099.18, 553,993.19 and 189,319.58 is: 284,156.02
Step by Step Solution
- Step 1: Write the proportion equation
369,099.18 : 553,993.19 = 189,319.58 : x - Step 2: Convert to fraction form
369,099.18/553,993.19 = 189,319.58/x - Step 3: Cross multiply
369,099.18x = 553,993.19 × 189,319.58 - Step 4: Simplify right side
369,099.18x = 104,881,754,337.10 - Step 5: Solve for x
x = 104,881,754,337.10/369,099.18 - Step 6: Final answer
x = 284,156.02
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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.