Finding the Fourth Proportional to 453,169.12, 679,709.64 and 137,628.80
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Solution
The fourth proportional to 453,169.12, 679,709.64 and 137,628.80 is: 206,429.82
Step by Step Solution
- Step 1: Write the proportion equation
453,169.12 : 679,709.64 = 137,628.80 : x - Step 2: Convert to fraction form
453,169.12/679,709.64 = 137,628.80/x - Step 3: Cross multiply
453,169.12x = 679,709.64 × 137,628.80 - Step 4: Simplify right side
453,169.12x = 93,547,622,101.63 - Step 5: Solve for x
x = 93,547,622,101.63/453,169.12 - Step 6: Final answer
x = 206,429.82
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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.