Finding the Fourth Proportional to 502,202.33, 692,931.38 and 298,321.99
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Solution
The fourth proportional to 502,202.33, 692,931.38 and 298,321.99 is: 411,620.29
Step by Step Solution
- Step 1: Write the proportion equation
502,202.33 : 692,931.38 = 298,321.99 : x - Step 2: Convert to fraction form
502,202.33/692,931.38 = 298,321.99/x - Step 3: Cross multiply
502,202.33x = 692,931.38 × 298,321.99 - Step 4: Simplify right side
502,202.33x = 206,716,667,508.20 - Step 5: Solve for x
x = 206,716,667,508.20/502,202.33 - Step 6: Final answer
x = 411,620.29
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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.