Finding the Fourth Proportional to 257,038.97, 354,476.72 and 176,324.09
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Solution
The fourth proportional to 257,038.97, 354,476.72 and 176,324.09 is: 243,164.63
Step by Step Solution
- Step 1: Write the proportion equation
257,038.97 : 354,476.72 = 176,324.09 : x - Step 2: Convert to fraction form
257,038.97/354,476.72 = 176,324.09/x - Step 3: Cross multiply
257,038.97x = 354,476.72 × 176,324.09 - Step 4: Simplify right side
257,038.97x = 62,502,783,748.61 - Step 5: Solve for x
x = 62,502,783,748.61/257,038.97 - Step 6: Final answer
x = 243,164.63
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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.