Finding the Fourth Proportional to 377,455.40, 520,886.50 and 207,688.84
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Solution
The fourth proportional to 377,455.40, 520,886.50 and 207,688.84 is: 286,609.53
Step by Step Solution
- Step 1: Write the proportion equation
377,455.40 : 520,886.50 = 207,688.84 : x - Step 2: Convert to fraction form
377,455.40/520,886.50 = 207,688.84/x - Step 3: Cross multiply
377,455.40x = 520,886.50 × 207,688.84 - Step 4: Simplify right side
377,455.40x = 108,182,312,956.66 - Step 5: Solve for x
x = 108,182,312,956.66/377,455.40 - Step 6: Final answer
x = 286,609.53
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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.