Finding the Fourth Proportional to 487,742.56, 673,110.84 and 272,869.72
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Solution
The fourth proportional to 487,742.56, 673,110.84 and 272,869.72 is: 376,574.82
Step by Step Solution
- Step 1: Write the proportion equation
487,742.56 : 673,110.84 = 272,869.72 : x - Step 2: Convert to fraction form
487,742.56/673,110.84 = 272,869.72/x - Step 3: Cross multiply
487,742.56x = 673,110.84 × 272,869.72 - Step 4: Simplify right side
487,742.56x = 183,671,566,439.77 - Step 5: Solve for x
x = 183,671,566,439.77/487,742.56 - Step 6: Final answer
x = 376,574.82
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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.