Finding the Fourth Proportional to 289,449.80, 399,461.92 and 174,756.68
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Solution
The fourth proportional to 289,449.80, 399,461.92 and 174,756.68 is: 241,177.02
Step by Step Solution
- Step 1: Write the proportion equation
289,449.80 : 399,461.92 = 174,756.68 : x - Step 2: Convert to fraction form
289,449.80/399,461.92 = 174,756.68/x - Step 3: Cross multiply
289,449.80x = 399,461.92 × 174,756.68 - Step 4: Simplify right side
289,449.80x = 69,808,638,925.63 - Step 5: Solve for x
x = 69,808,638,925.63/289,449.80 - Step 6: Final answer
x = 241,177.02
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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.