Finding the Fourth Proportional to 462,950.29, 638,866.68 and 256,219.08
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Solution
The fourth proportional to 462,950.29, 638,866.68 and 256,219.08 is: 353,579.72
Step by Step Solution
- Step 1: Write the proportion equation
462,950.29 : 638,866.68 = 256,219.08 : x - Step 2: Convert to fraction form
462,950.29/638,866.68 = 256,219.08/x - Step 3: Cross multiply
462,950.29x = 638,866.68 × 256,219.08 - Step 4: Simplify right side
462,950.29x = 163,689,832,992.25 - Step 5: Solve for x
x = 163,689,832,992.25/462,950.29 - Step 6: Final answer
x = 353,579.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.