Finding the Fourth Proportional to 579,926.36, 869,887.92 and 159,202.64
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Solution
The fourth proportional to 579,926.36, 869,887.92 and 159,202.64 is: 238,803.52
Step by Step Solution
- Step 1: Write the proportion equation
579,926.36 : 869,887.92 = 159,202.64 : x - Step 2: Convert to fraction form
579,926.36/869,887.92 = 159,202.64/x - Step 3: Cross multiply
579,926.36x = 869,887.92 × 159,202.64 - Step 4: Simplify right side
579,926.36x = 138,488,453,368.11 - Step 5: Solve for x
x = 138,488,453,368.11/579,926.36 - Step 6: Final answer
x = 238,803.52
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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.