Finding the Fourth Proportional to 315,237,046.10, 472,855,580.08 and 229,520,927.21
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Solution
The fourth proportional to 315,237,046.10, 472,855,580.08 and 229,520,927.21 is: 344,281,398.77
Step by Step Solution
- Step 1: Write the proportion equation
315,237,046.10 : 472,855,580.08 = 229,520,927.21 : x - Step 2: Convert to fraction form
315,237,046.10/472,855,580.08 = 229,520,927.21/x - Step 3: Cross multiply
315,237,046.10x = 472,855,580.08 × 229,520,927.21 - Step 4: Simplify right side
315,237,046.10x = 108,530,251,173,445,936 - Step 5: Solve for x
x = 108,530,251,173,445,936/315,237,046.10 - Step 6: Final answer
x = 344,281,398.77
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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.