Finding the Fourth Proportional to 313,547.74, 432,698.21 and 170,307.74
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Solution
The fourth proportional to 313,547.74, 432,698.21 and 170,307.74 is: 235,025.95
Step by Step Solution
- Step 1: Write the proportion equation
313,547.74 : 432,698.21 = 170,307.74 : x - Step 2: Convert to fraction form
313,547.74/432,698.21 = 170,307.74/x - Step 3: Cross multiply
313,547.74x = 432,698.21 × 170,307.74 - Step 4: Simplify right side
313,547.74x = 73,691,854,247.15 - Step 5: Solve for x
x = 73,691,854,247.15/313,547.74 - Step 6: Final answer
x = 235,025.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.