Finding the Fourth Proportional to 380,130.62, 524,577.21 and 210,374.06
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Solution
The fourth proportional to 380,130.62, 524,577.21 and 210,374.06 is: 290,314.52
Step by Step Solution
- Step 1: Write the proportion equation
380,130.62 : 524,577.21 = 210,374.06 : x - Step 2: Convert to fraction form
380,130.62/524,577.21 = 210,374.06/x - Step 3: Cross multiply
380,130.62x = 524,577.21 × 210,374.06 - Step 4: Simplify right side
380,130.62x = 110,357,437,451.17 - Step 5: Solve for x
x = 110,357,437,451.17/380,130.62 - Step 6: Final answer
x = 290,314.52
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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.