Finding the Fourth Proportional to 212,405.94, 292,966.41 and 144,303.99
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Solution
The fourth proportional to 212,405.94, 292,966.41 and 144,303.99 is: 199,035.03
Step by Step Solution
- Step 1: Write the proportion equation
212,405.94 : 292,966.41 = 144,303.99 : x - Step 2: Convert to fraction form
212,405.94/292,966.41 = 144,303.99/x - Step 3: Cross multiply
212,405.94x = 292,966.41 × 144,303.99 - Step 4: Simplify right side
212,405.94x = 42,276,221,898.98 - Step 5: Solve for x
x = 42,276,221,898.98/212,405.94 - Step 6: Final answer
x = 199,035.03
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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.