Finding the Fourth Proportional to 113,657.90, 156,848.99 and 62,672.63
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Solution
The fourth proportional to 113,657.90, 156,848.99 and 62,672.63 is: 86,488.82
Step by Step Solution
- Step 1: Write the proportion equation
113,657.90 : 156,848.99 = 62,672.63 : x - Step 2: Convert to fraction form
113,657.90/156,848.99 = 62,672.63/x - Step 3: Cross multiply
113,657.90x = 156,848.99 × 62,672.63 - Step 4: Simplify right side
113,657.90x = 9,830,137,618.54 - Step 5: Solve for x
x = 9,830,137,618.54/113,657.90 - Step 6: Final answer
x = 86,488.82
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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.