Finding the Fourth Proportional to 578,997.24, 868,468.05 and 158,274.06
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Solution
The fourth proportional to 578,997.24, 868,468.05 and 158,274.06 is: 237,403.49
Step by Step Solution
- Step 1: Write the proportion equation
578,997.24 : 868,468.05 = 158,274.06 : x - Step 2: Convert to fraction form
578,997.24/868,468.05 = 158,274.06/x - Step 3: Cross multiply
578,997.24x = 868,468.05 × 158,274.06 - Step 4: Simplify right side
578,997.24x = 137,455,964,253.78 - Step 5: Solve for x
x = 137,455,964,253.78/578,997.24 - Step 6: Final answer
x = 237,403.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.