Finding the Fourth Proportional to 877,511.95, 1,316,267.93 and 212,663.95
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Solution
The fourth proportional to 877,511.95, 1,316,267.93 and 212,663.95 is: 318,995.92
Step by Step Solution
- Step 1: Write the proportion equation
877,511.95 : 1,316,267.93 = 212,663.95 : x - Step 2: Convert to fraction form
877,511.95/1,316,267.93 = 212,663.95/x - Step 3: Cross multiply
877,511.95x = 1,316,267.93 × 212,663.95 - Step 4: Simplify right side
877,511.95x = 279,922,734,493.11 - Step 5: Solve for x
x = 279,922,734,493.11/877,511.95 - Step 6: Final answer
x = 318,995.92
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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.