Finding the Fourth Proportional to 245,784.86, 368,693.95 and 83,612.88
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Solution
The fourth proportional to 245,784.86, 368,693.95 and 83,612.88 is: 125,424.99
Step by Step Solution
- Step 1: Write the proportion equation
245,784.86 : 368,693.95 = 83,612.88 : x - Step 2: Convert to fraction form
245,784.86/368,693.95 = 83,612.88/x - Step 3: Cross multiply
245,784.86x = 368,693.95 × 83,612.88 - Step 4: Simplify right side
245,784.86x = 30,827,564,217.93 - Step 5: Solve for x
x = 30,827,564,217.93/245,784.86 - Step 6: Final answer
x = 125,424.99
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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.