Finding the Fourth Proportional to 257,746.68, 386,302.74 and 122,881.80
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Solution
The fourth proportional to 257,746.68, 386,302.74 and 122,881.80 is: 184,171.44
Step by Step Solution
- Step 1: Write the proportion equation
257,746.68 : 386,302.74 = 122,881.80 : x - Step 2: Convert to fraction form
257,746.68/386,302.74 = 122,881.80/x - Step 3: Cross multiply
257,746.68x = 386,302.74 × 122,881.80 - Step 4: Simplify right side
257,746.68x = 47,469,576,036.13 - Step 5: Solve for x
x = 47,469,576,036.13/257,746.68 - Step 6: Final answer
x = 184,171.44
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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.