Finding the Fourth Proportional to 396,248.68, 546,813.75 and 219,434.19
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Solution
The fourth proportional to 396,248.68, 546,813.75 and 219,434.19 is: 302,813.96
Step by Step Solution
- Step 1: Write the proportion equation
396,248.68 : 546,813.75 = 219,434.19 : x - Step 2: Convert to fraction form
396,248.68/546,813.75 = 219,434.19/x - Step 3: Cross multiply
396,248.68x = 546,813.75 × 219,434.19 - Step 4: Simplify right side
396,248.68x = 119,989,632,312.11 - Step 5: Solve for x
x = 119,989,632,312.11/396,248.68 - Step 6: Final answer
x = 302,813.96
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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.