Finding the Fourth Proportional to 459,921.14, 689,829.14 and 122,988.05
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Solution
The fourth proportional to 459,921.14, 689,829.14 and 122,988.05 is: 184,468.02
Step by Step Solution
- Step 1: Write the proportion equation
459,921.14 : 689,829.14 = 122,988.05 : x - Step 2: Convert to fraction form
459,921.14/689,829.14 = 122,988.05/x - Step 3: Cross multiply
459,921.14x = 689,829.14 × 122,988.05 - Step 4: Simplify right side
459,921.14x = 84,840,740,146.84 - Step 5: Solve for x
x = 84,840,740,146.84/459,921.14 - Step 6: Final answer
x = 184,468.02
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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.