Finding the Fourth Proportional to 473,678.76, 653,676.84 and 255,887.49
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Solution
The fourth proportional to 473,678.76, 653,676.84 and 255,887.49 is: 353,124.82
Step by Step Solution
- Step 1: Write the proportion equation
473,678.76 : 653,676.84 = 255,887.49 : x - Step 2: Convert to fraction form
473,678.76/653,676.84 = 255,887.49/x - Step 3: Cross multiply
473,678.76x = 653,676.84 × 255,887.49 - Step 4: Simplify right side
473,678.76x = 167,267,725,858.73 - Step 5: Solve for x
x = 167,267,725,858.73/473,678.76 - Step 6: Final answer
x = 353,124.82
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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.