Finding the Fourth Proportional to 377,061.12, 520,339.68 and 207,293.76
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Solution
The fourth proportional to 377,061.12, 520,339.68 and 207,293.76 is: 286,062.82
Step by Step Solution
- Step 1: Write the proportion equation
377,061.12 : 520,339.68 = 207,293.76 : x - Step 2: Convert to fraction form
377,061.12/520,339.68 = 207,293.76/x - Step 3: Cross multiply
377,061.12x = 520,339.68 × 207,293.76 - Step 4: Simplify right side
377,061.12x = 107,863,168,744.40 - Step 5: Solve for x
x = 107,863,168,744.40/377,061.12 - Step 6: Final answer
x = 286,062.82
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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.