Finding the Fourth Proportional to 668,341.53, 1,001,995.65 and 218,781.81
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Solution
The fourth proportional to 668,341.53, 1,001,995.65 and 218,781.81 is: 328,003.59
Step by Step Solution
- Step 1: Write the proportion equation
668,341.53 : 1,001,995.65 = 218,781.81 : x - Step 2: Convert to fraction form
668,341.53/1,001,995.65 = 218,781.81/x - Step 3: Cross multiply
668,341.53x = 1,001,995.65 × 218,781.81 - Step 4: Simplify right side
668,341.53x = 219,218,421,919.13 - Step 5: Solve for x
x = 219,218,421,919.13/668,341.53 - Step 6: Final answer
x = 328,003.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.