Finding the Fourth Proportional to 553,450.08, 830,174.94 and 316,626.60
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Solution
The fourth proportional to 553,450.08, 830,174.94 and 316,626.60 is: 474,939.80
Step by Step Solution
- Step 1: Write the proportion equation
553,450.08 : 830,174.94 = 316,626.60 : x - Step 2: Convert to fraction form
553,450.08/830,174.94 = 316,626.60/x - Step 3: Cross multiply
553,450.08x = 830,174.94 × 316,626.60 - Step 4: Simplify right side
553,450.08x = 262,855,468,657.40 - Step 5: Solve for x
x = 262,855,468,657.40/553,450.08 - Step 6: Final answer
x = 474,939.80
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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.