Finding the Fourth Proportional to 912,083.63, 1,368,125.51 and 247,235.63
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Solution
The fourth proportional to 912,083.63, 1,368,125.51 and 247,235.63 is: 370,853.46
Step by Step Solution
- Step 1: Write the proportion equation
912,083.63 : 1,368,125.51 = 247,235.63 : x - Step 2: Convert to fraction form
912,083.63/1,368,125.51 = 247,235.63/x - Step 3: Cross multiply
912,083.63x = 1,368,125.51 × 247,235.63 - Step 4: Simplify right side
912,083.63x = 338,249,364,307.12 - Step 5: Solve for x
x = 338,249,364,307.12/912,083.63 - Step 6: Final answer
x = 370,853.46
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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.