Finding the Fourth Proportional to 772,111.35, 1,158,320.12 and 239,609.66
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Solution
The fourth proportional to 772,111.35, 1,158,320.12 and 239,609.66 is: 359,461.99
Step by Step Solution
- Step 1: Write the proportion equation
772,111.35 : 1,158,320.12 = 239,609.66 : x - Step 2: Convert to fraction form
772,111.35/1,158,320.12 = 239,609.66/x - Step 3: Cross multiply
772,111.35x = 1,158,320.12 × 239,609.66 - Step 4: Simplify right side
772,111.35x = 277,544,683,134.71 - Step 5: Solve for x
x = 277,544,683,134.71/772,111.35 - Step 6: Final answer
x = 359,461.99
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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.