Finding the Fourth Proportional to 380,857.84, 571,366.68 and 114,637.84
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Solution
The fourth proportional to 380,857.84, 571,366.68 and 114,637.84 is: 171,980.82
Step by Step Solution
- Step 1: Write the proportion equation
380,857.84 : 571,366.68 = 114,637.84 : x - Step 2: Convert to fraction form
380,857.84/571,366.68 = 114,637.84/x - Step 3: Cross multiply
380,857.84x = 571,366.68 × 114,637.84 - Step 4: Simplify right side
380,857.84x = 65,500,242,043.17 - Step 5: Solve for x
x = 65,500,242,043.17/380,857.84 - Step 6: Final answer
x = 171,980.82
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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.