Finding the Fourth Proportional to 423,606.40, 584,590.57 and 242,318.68
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Solution
The fourth proportional to 423,606.40, 584,590.57 and 242,318.68 is: 334,407.63
Step by Step Solution
- Step 1: Write the proportion equation
423,606.40 : 584,590.57 = 242,318.68 : x - Step 2: Convert to fraction form
423,606.40/584,590.57 = 242,318.68/x - Step 3: Cross multiply
423,606.40x = 584,590.57 × 242,318.68 - Step 4: Simplify right side
423,606.40x = 141,657,213,195.57 - Step 5: Solve for x
x = 141,657,213,195.57/423,606.40 - Step 6: Final answer
x = 334,407.63
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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.