Finding the Fourth Proportional to 453,117.24, 679,631.99 and 137,576.88
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Solution
The fourth proportional to 453,117.24, 679,631.99 and 137,576.88 is: 206,352.00
Step by Step Solution
- Step 1: Write the proportion equation
453,117.24 : 679,631.99 = 137,576.88 : x - Step 2: Convert to fraction form
453,117.24/679,631.99 = 137,576.88/x - Step 3: Cross multiply
453,117.24x = 679,631.99 × 137,576.88 - Step 4: Simplify right side
453,117.24x = 93,501,648,044.51 - Step 5: Solve for x
x = 93,501,648,044.51/453,117.24 - Step 6: Final answer
x = 206,352.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.