Finding the Fourth Proportional to 423,435.76, 584,319.88 and 251,361.08
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Solution
The fourth proportional to 423,435.76, 584,319.88 and 251,361.08 is: 346,865.55
Step by Step Solution
- Step 1: Write the proportion equation
423,435.76 : 584,319.88 = 251,361.08 : x - Step 2: Convert to fraction form
423,435.76/584,319.88 = 251,361.08/x - Step 3: Cross multiply
423,435.76x = 584,319.88 × 251,361.08 - Step 4: Simplify right side
423,435.76x = 146,875,276,102.27 - Step 5: Solve for x
x = 146,875,276,102.27/423,435.76 - Step 6: Final answer
x = 346,865.55
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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.