Finding the Fourth Proportional to 323,848.99, 485,656.78 and 136,875.07
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Solution
The fourth proportional to 323,848.99, 485,656.78 and 136,875.07 is: 205,263.28
Step by Step Solution
- Step 1: Write the proportion equation
323,848.99 : 485,656.78 = 136,875.07 : x - Step 2: Convert to fraction form
323,848.99/485,656.78 = 136,875.07/x - Step 3: Cross multiply
323,848.99x = 485,656.78 × 136,875.07 - Step 4: Simplify right side
323,848.99x = 66,474,305,758.47 - Step 5: Solve for x
x = 66,474,305,758.47/323,848.99 - Step 6: Final answer
x = 205,263.28
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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.