Finding the Fourth Proportional to 526,156.56, 725,918.40 and 299,641.68
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Solution
The fourth proportional to 526,156.56, 725,918.40 and 299,641.68 is: 413,404.35
Step by Step Solution
- Step 1: Write the proportion equation
526,156.56 : 725,918.40 = 299,641.68 : x - Step 2: Convert to fraction form
526,156.56/725,918.40 = 299,641.68/x - Step 3: Cross multiply
526,156.56x = 725,918.40 × 299,641.68 - Step 4: Simplify right side
526,156.56x = 217,515,408,918.91 - Step 5: Solve for x
x = 217,515,408,918.91/526,156.56 - Step 6: Final answer
x = 413,404.35
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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.