Finding the Fourth Proportional to 70,903.14, 106,354.77 and 18,312.63
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Solution
The fourth proportional to 70,903.14, 106,354.77 and 18,312.63 is: 27,468.96
Step by Step Solution
- Step 1: Write the proportion equation
70,903.14 : 106,354.77 = 18,312.63 : x - Step 2: Convert to fraction form
70,903.14/106,354.77 = 18,312.63/x - Step 3: Cross multiply
70,903.14x = 106,354.77 × 18,312.63 - Step 4: Simplify right side
70,903.14x = 1,947,635,551.75 - Step 5: Solve for x
x = 1,947,635,551.75/70,903.14 - Step 6: Final answer
x = 27,468.96
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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.