Finding the Fourth Proportional to 808,164.36, 1,212,252.59 and 358,764.41
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Solution
The fourth proportional to 808,164.36, 1,212,252.59 and 358,764.41 is: 538,149.30
Step by Step Solution
- Step 1: Write the proportion equation
808,164.36 : 1,212,252.59 = 358,764.41 : x - Step 2: Convert to fraction form
808,164.36/1,212,252.59 = 358,764.41/x - Step 3: Cross multiply
808,164.36x = 1,212,252.59 × 358,764.41 - Step 4: Simplify right side
808,164.36x = 434,913,083,428.50 - Step 5: Solve for x
x = 434,913,083,428.50/808,164.36 - Step 6: Final answer
x = 538,149.30
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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.