Finding the Fourth Proportional to 369,071.70, 553,607.55 and 322,415.70
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Solution
The fourth proportional to 369,071.70, 553,607.55 and 322,415.70 is: 483,623.55
Step by Step Solution
- Step 1: Write the proportion equation
369,071.70 : 553,607.55 = 322,415.70 : x - Step 2: Convert to fraction form
369,071.70/553,607.55 = 322,415.70/x - Step 3: Cross multiply
369,071.70x = 553,607.55 × 322,415.70 - Step 4: Simplify right side
369,071.70x = 178,491,765,758.54 - Step 5: Solve for x
x = 178,491,765,758.54/369,071.70 - Step 6: Final answer
x = 483,623.55
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1.5x scale
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.