Finding the Fourth Proportional to 257,336.33, 386,030.14 and 107,623.49
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Solution
The fourth proportional to 257,336.33, 386,030.14 and 107,623.49 is: 161,445.95
Step by Step Solution
- Step 1: Write the proportion equation
257,336.33 : 386,030.14 = 107,623.49 : x - Step 2: Convert to fraction form
257,336.33/386,030.14 = 107,623.49/x - Step 3: Cross multiply
257,336.33x = 386,030.14 × 107,623.49 - Step 4: Simplify right side
257,336.33x = 41,545,908,712.78 - Step 5: Solve for x
x = 41,545,908,712.78/257,336.33 - Step 6: Final answer
x = 161,445.95
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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.