Finding the Fourth Proportional to 118,646.25, 178,013.12 and 62,484.09
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Solution
The fourth proportional to 118,646.25, 178,013.12 and 62,484.09 is: 93,749.17
Step by Step Solution
- Step 1: Write the proportion equation
118,646.25 : 178,013.12 = 62,484.09 : x - Step 2: Convert to fraction form
118,646.25/178,013.12 = 62,484.09/x - Step 3: Cross multiply
118,646.25x = 178,013.12 × 62,484.09 - Step 4: Simplify right side
118,646.25x = 11,122,987,498.84 - Step 5: Solve for x
x = 11,122,987,498.84/118,646.25 - Step 6: Final answer
x = 93,749.17
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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.