Finding the Fourth Proportional to 340,345.26, 510,521.99 and 103,689.99
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Solution
The fourth proportional to 340,345.26, 510,521.99 and 103,689.99 is: 155,536.23
Step by Step Solution
- Step 1: Write the proportion equation
340,345.26 : 510,521.99 = 103,689.99 : x - Step 2: Convert to fraction form
340,345.26/510,521.99 = 103,689.99/x - Step 3: Cross multiply
340,345.26x = 510,521.99 × 103,689.99 - Step 4: Simplify right side
340,345.26x = 52,936,020,037.88 - Step 5: Solve for x
x = 52,936,020,037.88/340,345.26 - Step 6: Final answer
x = 155,536.23
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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.