Finding the Fourth Proportional to 376,426.24, 519,459.48 and 215,271.68
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Solution
The fourth proportional to 376,426.24, 519,459.48 and 215,271.68 is: 297,069.92
Step by Step Solution
- Step 1: Write the proportion equation
376,426.24 : 519,459.48 = 215,271.68 : x - Step 2: Convert to fraction form
376,426.24/519,459.48 = 215,271.68/x - Step 3: Cross multiply
376,426.24x = 519,459.48 × 215,271.68 - Step 4: Simplify right side
376,426.24x = 111,824,912,354.23 - Step 5: Solve for x
x = 111,824,912,354.23/376,426.24 - Step 6: Final answer
x = 297,069.92
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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.