Finding the Fourth Proportional to 430,832.30, 646,248.45 and 164,455.70
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Solution
The fourth proportional to 430,832.30, 646,248.45 and 164,455.70 is: 246,683.55
Step by Step Solution
- Step 1: Write the proportion equation
430,832.30 : 646,248.45 = 164,455.70 : x - Step 2: Convert to fraction form
430,832.30/646,248.45 = 164,455.70/x - Step 3: Cross multiply
430,832.30x = 646,248.45 × 164,455.70 - Step 4: Simplify right side
430,832.30x = 106,279,241,218.67 - Step 5: Solve for x
x = 106,279,241,218.67/430,832.30 - Step 6: Final answer
x = 246,683.55
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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.