Finding the Fourth Proportional to 442,595.68, 610,779.16 and 251,609.12
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Solution
The fourth proportional to 442,595.68, 610,779.16 and 251,609.12 is: 347,218.95
Step by Step Solution
- Step 1: Write the proportion equation
442,595.68 : 610,779.16 = 251,609.12 : x - Step 2: Convert to fraction form
442,595.68/610,779.16 = 251,609.12/x - Step 3: Cross multiply
442,595.68x = 610,779.16 × 251,609.12 - Step 4: Simplify right side
442,595.68x = 153,677,606,961.94 - Step 5: Solve for x
x = 153,677,606,961.94/442,595.68 - Step 6: Final answer
x = 347,218.95
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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.