Finding the Fourth Proportional to 869,361.84, 1,303,902.88 and 238,128.08
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Solution
The fourth proportional to 869,361.84, 1,303,902.88 and 238,128.08 is: 357,153.81
Step by Step Solution
- Step 1: Write the proportion equation
869,361.84 : 1,303,902.88 = 238,128.08 : x - Step 2: Convert to fraction form
869,361.84/1,303,902.88 = 238,128.08/x - Step 3: Cross multiply
869,361.84x = 1,303,902.88 × 238,128.08 - Step 4: Simplify right side
869,361.84x = 310,495,889,320.87 - Step 5: Solve for x
x = 310,495,889,320.87/869,361.84 - Step 6: Final answer
x = 357,153.81
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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.