Finding the Fourth Proportional to 162,948.45, 224,878.35 and 122,590.08
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Solution
The fourth proportional to 162,948.45, 224,878.35 and 122,590.08 is: 169,181.45
Step by Step Solution
- Step 1: Write the proportion equation
162,948.45 : 224,878.35 = 122,590.08 : x - Step 2: Convert to fraction form
162,948.45/224,878.35 = 122,590.08/x - Step 3: Cross multiply
162,948.45x = 224,878.35 × 122,590.08 - Step 4: Simplify right side
162,948.45x = 27,567,854,916.77 - Step 5: Solve for x
x = 27,567,854,916.77/162,948.45 - Step 6: Final answer
x = 169,181.45
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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.