Finding the Fourth Proportional to 257,165.94, 354,894.76 and 146,782.39
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Solution
The fourth proportional to 257,165.94, 354,894.76 and 146,782.39 is: 202,562.99
Step by Step Solution
- Step 1: Write the proportion equation
257,165.94 : 354,894.76 = 146,782.39 : x - Step 2: Convert to fraction form
257,165.94/354,894.76 = 146,782.39/x - Step 3: Cross multiply
257,165.94x = 354,894.76 × 146,782.39 - Step 4: Simplify right side
257,165.94x = 52,092,301,071.28 - Step 5: Solve for x
x = 52,092,301,071.28/257,165.94 - Step 6: Final answer
x = 202,562.99
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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.