Finding the Fourth Proportional to 377,242.18, 520,598.55 and 207,479.14
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Solution
The fourth proportional to 377,242.18, 520,598.55 and 207,479.14 is: 286,323.60
Step by Step Solution
- Step 1: Write the proportion equation
377,242.18 : 520,598.55 = 207,479.14 : x - Step 2: Convert to fraction form
377,242.18/520,598.55 = 207,479.14/x - Step 3: Cross multiply
377,242.18x = 520,598.55 × 207,479.14 - Step 4: Simplify right side
377,242.18x = 108,013,339,439.25 - Step 5: Solve for x
x = 108,013,339,439.25/377,242.18 - Step 6: Final answer
x = 286,323.60
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1.5x scale
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.