Finding the Fourth Proportional to 393,135.14, 589,637.02 and 108,854.42
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Solution
The fourth proportional to 393,135.14, 589,637.02 and 108,854.42 is: 163,263.45
Step by Step Solution
- Step 1: Write the proportion equation
393,135.14 : 589,637.02 = 108,854.42 : x - Step 2: Convert to fraction form
393,135.14/589,637.02 = 108,854.42/x - Step 3: Cross multiply
393,135.14x = 589,637.02 × 108,854.42 - Step 4: Simplify right side
393,135.14x = 64,184,597,926.05 - Step 5: Solve for x
x = 64,184,597,926.05/393,135.14 - Step 6: Final answer
x = 163,263.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.