Finding the Fourth Proportional to 838,484.36, 1,257,772.44 and 239,398.64
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Solution
The fourth proportional to 838,484.36, 1,257,772.44 and 239,398.64 is: 359,111.07
Step by Step Solution
- Step 1: Write the proportion equation
838,484.36 : 1,257,772.44 = 239,398.64 : x - Step 2: Convert to fraction form
838,484.36/1,257,772.44 = 239,398.64/x - Step 3: Cross multiply
838,484.36x = 1,257,772.44 × 239,398.64 - Step 4: Simplify right side
838,484.36x = 301,109,011,565.48 - Step 5: Solve for x
x = 301,109,011,565.48/838,484.36 - Step 6: Final answer
x = 359,111.07
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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.