Finding the Fourth Proportional to 377,420.68, 520,848.48 and 207,655.12
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Solution
The fourth proportional to 377,420.68, 520,848.48 and 207,655.12 is: 286,568.44
Step by Step Solution
- Step 1: Write the proportion equation
377,420.68 : 520,848.48 = 207,655.12 : x - Step 2: Convert to fraction form
377,420.68/520,848.48 = 207,655.12/x - Step 3: Cross multiply
377,420.68x = 520,848.48 × 207,655.12 - Step 4: Simplify right side
377,420.68x = 108,156,853,616.22 - Step 5: Solve for x
x = 108,156,853,616.22/377,420.68 - Step 6: Final answer
x = 286,568.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.