Finding the Fourth Proportional to 282,801.63, 390,268.49 and 153,740.08
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Solution
The fourth proportional to 282,801.63, 390,268.49 and 153,740.08 is: 212,162.53
Step by Step Solution
- Step 1: Write the proportion equation
282,801.63 : 390,268.49 = 153,740.08 : x - Step 2: Convert to fraction form
282,801.63/390,268.49 = 153,740.08/x - Step 3: Cross multiply
282,801.63x = 390,268.49 × 153,740.08 - Step 4: Simplify right side
282,801.63x = 59,999,908,874.08 - Step 5: Solve for x
x = 59,999,908,874.08/282,801.63 - Step 6: Final answer
x = 212,162.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.