Finding the Fourth Proportional to 139,656.08, 209,484.57 and 34,475.06
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Solution
The fourth proportional to 139,656.08, 209,484.57 and 34,475.06 is: 51,712.70
Step by Step Solution
- Step 1: Write the proportion equation
139,656.08 : 209,484.57 = 34,475.06 : x - Step 2: Convert to fraction form
139,656.08/209,484.57 = 34,475.06/x - Step 3: Cross multiply
139,656.08x = 209,484.57 × 34,475.06 - Step 4: Simplify right side
139,656.08x = 7,221,992,072.40 - Step 5: Solve for x
x = 7,221,992,072.40/139,656.08 - Step 6: Final answer
x = 51,712.70
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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.