Finding the Fourth Proportional to 418,446.81, 577,483.43 and 234,702.63
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Solution
The fourth proportional to 418,446.81, 577,483.43 and 234,702.63 is: 323,904.68
Step by Step Solution
- Step 1: Write the proportion equation
418,446.81 : 577,483.43 = 234,702.63 : x - Step 2: Convert to fraction form
418,446.81/577,483.43 = 234,702.63/x - Step 3: Cross multiply
418,446.81x = 577,483.43 × 234,702.63 - Step 4: Simplify right side
418,446.81x = 135,536,878,628.91 - Step 5: Solve for x
x = 135,536,878,628.91/418,446.81 - Step 6: Final answer
x = 323,904.68
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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.