Finding the Fourth Proportional to 257,362.99, 386,093.12 and 97,486.81
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Solution
The fourth proportional to 257,362.99, 386,093.12 and 97,486.81 is: 146,248.63
Step by Step Solution
- Step 1: Write the proportion equation
257,362.99 : 386,093.12 = 97,486.81 : x - Step 2: Convert to fraction form
257,362.99/386,093.12 = 97,486.81/x - Step 3: Cross multiply
257,362.99x = 386,093.12 × 97,486.81 - Step 4: Simplify right side
257,362.99x = 37,638,985,179.08 - Step 5: Solve for x
x = 37,638,985,179.08/257,362.99 - Step 6: Final answer
x = 146,248.63
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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.