Finding the Fourth Proportional to 490,235.30, 735,353.52 and 153,277.74
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Solution
The fourth proportional to 490,235.30, 735,353.52 and 153,277.74 is: 229,916.79
Step by Step Solution
- Step 1: Write the proportion equation
490,235.30 : 735,353.52 = 153,277.74 : x - Step 2: Convert to fraction form
490,235.30/735,353.52 = 153,277.74/x - Step 3: Cross multiply
490,235.30x = 735,353.52 × 153,277.74 - Step 4: Simplify right side
490,235.30x = 112,713,325,646.65 - Step 5: Solve for x
x = 112,713,325,646.65/490,235.30 - Step 6: Final answer
x = 229,916.79
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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.