Finding the Fourth Proportional to 239,461.73, 330,465.15 and 142,652.35
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Solution
The fourth proportional to 239,461.73, 330,465.15 and 142,652.35 is: 196,864.99
Step by Step Solution
- Step 1: Write the proportion equation
239,461.73 : 330,465.15 = 142,652.35 : x - Step 2: Convert to fraction form
239,461.73/330,465.15 = 142,652.35/x - Step 3: Cross multiply
239,461.73x = 330,465.15 × 142,652.35 - Step 4: Simplify right side
239,461.73x = 47,141,630,326.07 - Step 5: Solve for x
x = 47,141,630,326.07/239,461.73 - Step 6: Final answer
x = 196,864.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.