Finding the Fourth Proportional to 423,340.84, 584,221.44 and 242,082.28
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Solution
The fourth proportional to 423,340.84, 584,221.44 and 242,082.28 is: 334,079.88
Step by Step Solution
- Step 1: Write the proportion equation
423,340.84 : 584,221.44 = 242,082.28 : x - Step 2: Convert to fraction form
423,340.84/584,221.44 = 242,082.28/x - Step 3: Cross multiply
423,340.84x = 584,221.44 × 242,082.28 - Step 4: Simplify right side
423,340.84x = 141,429,658,220.08 - Step 5: Solve for x
x = 141,429,658,220.08/423,340.84 - Step 6: Final answer
x = 334,079.88
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1.5x scale
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.