Finding the Fourth Proportional to 406,342.08, 609,743.52 and 219,349.44
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Solution
The fourth proportional to 406,342.08, 609,743.52 and 219,349.44 is: 329,148.53
Step by Step Solution
- Step 1: Write the proportion equation
406,342.08 : 609,743.52 = 219,349.44 : x - Step 2: Convert to fraction form
406,342.08/609,743.52 = 219,349.44/x - Step 3: Cross multiply
406,342.08x = 609,743.52 × 219,349.44 - Step 4: Simplify right side
406,342.08x = 133,746,899,655.63 - Step 5: Solve for x
x = 133,746,899,655.63/406,342.08 - Step 6: Final answer
x = 329,148.53
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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.