Finding the Fourth Proportional to 370,283.08, 510,639.63 and 255,378.10
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Solution
The fourth proportional to 370,283.08, 510,639.63 and 255,378.10 is: 352,179.69
Step by Step Solution
- Step 1: Write the proportion equation
370,283.08 : 510,639.63 = 255,378.10 : x - Step 2: Convert to fraction form
370,283.08/510,639.63 = 255,378.10/x - Step 3: Cross multiply
370,283.08x = 510,639.63 × 255,378.10 - Step 4: Simplify right side
370,283.08x = 130,406,178,494.10 - Step 5: Solve for x
x = 130,406,178,494.10/370,283.08 - Step 6: Final answer
x = 352,179.69
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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.