Finding the Fourth Proportional to 369,077.70, 553,616.55 and 322,421.70
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Solution
The fourth proportional to 369,077.70, 553,616.55 and 322,421.70 is: 483,632.55
Step by Step Solution
- Step 1: Write the proportion equation
369,077.70 : 553,616.55 = 322,421.70 : x - Step 2: Convert to fraction form
369,077.70/553,616.55 = 322,421.70/x - Step 3: Cross multiply
369,077.70x = 553,616.55 × 322,421.70 - Step 4: Simplify right side
369,077.70x = 178,497,989,199.14 - Step 5: Solve for x
x = 178,497,989,199.14/369,077.70 - Step 6: Final answer
x = 483,632.55
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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.