Finding the Fourth Proportional to 447,726.57, 617,841.99 and 243,776.88
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Solution
The fourth proportional to 447,726.57, 617,841.99 and 243,776.88 is: 336,400.84
Step by Step Solution
- Step 1: Write the proportion equation
447,726.57 : 617,841.99 = 243,776.88 : x - Step 2: Convert to fraction form
447,726.57/617,841.99 = 243,776.88/x - Step 3: Cross multiply
447,726.57x = 617,841.99 × 243,776.88 - Step 4: Simplify right side
447,726.57x = 150,615,592,655.19 - Step 5: Solve for x
x = 150,615,592,655.19/447,726.57 - Step 6: Final answer
x = 336,400.84
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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.