Finding the Fourth Proportional to 447,296.98, 617,271.30 and 243,347.84
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Solution
The fourth proportional to 447,296.98, 617,271.30 and 243,347.84 is: 335,820.82
Step by Step Solution
- Step 1: Write the proportion equation
447,296.98 : 617,271.30 = 243,347.84 : x - Step 2: Convert to fraction form
447,296.98/617,271.30 = 243,347.84/x - Step 3: Cross multiply
447,296.98x = 617,271.30 × 243,347.84 - Step 4: Simplify right side
447,296.98x = 150,211,637,548.99 - Step 5: Solve for x
x = 150,211,637,548.99/447,296.98 - Step 6: Final answer
x = 335,820.82
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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.