Finding the Fourth Proportional to 282,935.99, 424,431.72 and 103,070.31
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Solution
The fourth proportional to 282,935.99, 424,431.72 and 103,070.31 is: 154,615.57
Step by Step Solution
- Step 1: Write the proportion equation
282,935.99 : 424,431.72 = 103,070.31 : x - Step 2: Convert to fraction form
282,935.99/424,431.72 = 103,070.31/x - Step 3: Cross multiply
282,935.99x = 424,431.72 × 103,070.31 - Step 4: Simplify right side
282,935.99x = 43,746,308,954.23 - Step 5: Solve for x
x = 43,746,308,954.23/282,935.99 - Step 6: Final answer
x = 154,615.57
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1.5x scale
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.