Finding the Fourth Proportional to 508,281.68, 762,427.99 and 153,298.78
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Solution
The fourth proportional to 508,281.68, 762,427.99 and 153,298.78 is: 229,949.81
Step by Step Solution
- Step 1: Write the proportion equation
508,281.68 : 762,427.99 = 153,298.78 : x - Step 2: Convert to fraction form
508,281.68/762,427.99 = 153,298.78/x - Step 3: Cross multiply
508,281.68x = 762,427.99 × 153,298.78 - Step 4: Simplify right side
508,281.68x = 116,879,278,415.54 - Step 5: Solve for x
x = 116,879,278,415.54/508,281.68 - Step 6: Final answer
x = 229,949.81
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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.