Finding the Fourth Proportional to 430,897.42, 594,197.40 and 285,652.68
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Solution
The fourth proportional to 430,897.42, 594,197.40 and 285,652.68 is: 393,908.32
Step by Step Solution
- Step 1: Write the proportion equation
430,897.42 : 594,197.40 = 285,652.68 : x - Step 2: Convert to fraction form
430,897.42/594,197.40 = 285,652.68/x - Step 3: Cross multiply
430,897.42x = 594,197.40 × 285,652.68 - Step 4: Simplify right side
430,897.42x = 169,734,079,759.03 - Step 5: Solve for x
x = 169,734,079,759.03/430,897.42 - Step 6: Final answer
x = 393,908.32
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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.