Finding the Fourth Proportional to 286,405.13, 429,443.08 and 118,041.68
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Solution
The fourth proportional to 286,405.13, 429,443.08 and 118,041.68 is: 176,994.68
Step by Step Solution
- Step 1: Write the proportion equation
286,405.13 : 429,443.08 = 118,041.68 : x - Step 2: Convert to fraction form
286,405.13/429,443.08 = 118,041.68/x - Step 3: Cross multiply
286,405.13x = 429,443.08 × 118,041.68 - Step 4: Simplify right side
286,405.13x = 50,692,183,406.08 - Step 5: Solve for x
x = 50,692,183,406.08/286,405.13 - Step 6: Final answer
x = 176,994.68
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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.