Finding the Fourth Proportional to 386,188.08, 579,282.06 and 149,530.74
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Solution
The fourth proportional to 386,188.08, 579,282.06 and 149,530.74 is: 224,296.09
Step by Step Solution
- Step 1: Write the proportion equation
386,188.08 : 579,282.06 = 149,530.74 : x - Step 2: Convert to fraction form
386,188.08/579,282.06 = 149,530.74/x - Step 3: Cross multiply
386,188.08x = 579,282.06 × 149,530.74 - Step 4: Simplify right side
386,188.08x = 86,620,475,100.52 - Step 5: Solve for x
x = 86,620,475,100.52/386,188.08 - Step 6: Final answer
x = 224,296.09
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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.