Finding the Fourth Proportional to 571,099.92, 788,149.44 and 316,445.68
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Solution
The fourth proportional to 571,099.92, 788,149.44 and 316,445.68 is: 436,712.52
Step by Step Solution
- Step 1: Write the proportion equation
571,099.92 : 788,149.44 = 316,445.68 : x - Step 2: Convert to fraction form
571,099.92/788,149.44 = 316,445.68/x - Step 3: Cross multiply
571,099.92x = 788,149.44 × 316,445.68 - Step 4: Simplify right side
571,099.92x = 249,406,485,482.42 - Step 5: Solve for x
x = 249,406,485,482.42/571,099.92 - Step 6: Final answer
x = 436,712.52
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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.