Finding the Fourth Proportional to 447,779.36, 617,926.64 and 243,832.70
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Solution
The fourth proportional to 447,779.36, 617,926.64 and 243,832.70 is: 336,484.29
Step by Step Solution
- Step 1: Write the proportion equation
447,779.36 : 617,926.64 = 243,832.70 : x - Step 2: Convert to fraction form
447,779.36/617,926.64 = 243,832.70/x - Step 3: Cross multiply
447,779.36x = 617,926.64 × 243,832.70 - Step 4: Simplify right side
447,779.36x = 150,670,721,358.78 - Step 5: Solve for x
x = 150,670,721,358.78/447,779.36 - Step 6: Final answer
x = 336,484.29
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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.