Finding the Fourth Proportional to 471,972.64, 651,305.82 and 257,107.18
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Solution
The fourth proportional to 471,972.64, 651,305.82 and 257,107.18 is: 354,798.96
Step by Step Solution
- Step 1: Write the proportion equation
471,972.64 : 651,305.82 = 257,107.18 : x - Step 2: Convert to fraction form
471,972.64/651,305.82 = 257,107.18/x - Step 3: Cross multiply
471,972.64x = 651,305.82 × 257,107.18 - Step 4: Simplify right side
471,972.64x = 167,455,402,697.79 - Step 5: Solve for x
x = 167,455,402,697.79/471,972.64 - Step 6: Final answer
x = 354,798.96
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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.