Finding the Fourth Proportional to 442,279.08, 609,862.80 and 298,789.98
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Solution
The fourth proportional to 442,279.08, 609,862.80 and 298,789.98 is: 412,004.32
Step by Step Solution
- Step 1: Write the proportion equation
442,279.08 : 609,862.80 = 298,789.98 : x - Step 2: Convert to fraction form
442,279.08/609,862.80 = 298,789.98/x - Step 3: Cross multiply
442,279.08x = 609,862.80 × 298,789.98 - Step 4: Simplify right side
442,279.08x = 182,220,893,814.74 - Step 5: Solve for x
x = 182,220,893,814.74/442,279.08 - Step 6: Final answer
x = 412,004.32
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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.