Finding the Fourth Proportional to 817,878.06, 1,226,723.23 and 218,885.96
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Solution
The fourth proportional to 817,878.06, 1,226,723.23 and 218,885.96 is: 328,303.81
Step by Step Solution
- Step 1: Write the proportion equation
817,878.06 : 1,226,723.23 = 218,885.96 : x - Step 2: Convert to fraction form
817,878.06/1,226,723.23 = 218,885.96/x - Step 3: Cross multiply
817,878.06x = 1,226,723.23 × 218,885.96 - Step 4: Simplify right side
817,878.06x = 268,512,485,172.02 - Step 5: Solve for x
x = 268,512,485,172.02/817,878.06 - Step 6: Final answer
x = 328,303.81
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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.