Finding the Fourth Proportional to 686,070.15, 1,029,011.82 and 180,588.81
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Solution
The fourth proportional to 686,070.15, 1,029,011.82 and 180,588.81 is: 270,858.62
Step by Step Solution
- Step 1: Write the proportion equation
686,070.15 : 1,029,011.82 = 180,588.81 : x - Step 2: Convert to fraction form
686,070.15/1,029,011.82 = 180,588.81/x - Step 3: Cross multiply
686,070.15x = 1,029,011.82 × 180,588.81 - Step 4: Simplify right side
686,070.15x = 185,828,017,443.13 - Step 5: Solve for x
x = 185,828,017,443.13/686,070.15 - Step 6: Final answer
x = 270,858.62
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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.