Finding the Fourth Proportional to 439,068.64, 605,913.84 and 237,865.12
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Solution
The fourth proportional to 439,068.64, 605,913.84 and 237,865.12 is: 328,253.39
Step by Step Solution
- Step 1: Write the proportion equation
439,068.64 : 605,913.84 = 237,865.12 : x - Step 2: Convert to fraction form
439,068.64/605,913.84 = 237,865.12/x - Step 3: Cross multiply
439,068.64x = 605,913.84 × 237,865.12 - Step 4: Simplify right side
439,068.64x = 144,125,768,261.26 - Step 5: Solve for x
x = 144,125,768,261.26/439,068.64 - Step 6: Final answer
x = 328,253.39
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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.