Finding the Fourth Proportional to 313,281.98, 432,317.55 and 170,038.95
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Solution
The fourth proportional to 313,281.98, 432,317.55 and 170,038.95 is: 234,647.46
Step by Step Solution
- Step 1: Write the proportion equation
313,281.98 : 432,317.55 = 170,038.95 : x - Step 2: Convert to fraction form
313,281.98/432,317.55 = 170,038.95/x - Step 3: Cross multiply
313,281.98x = 432,317.55 × 170,038.95 - Step 4: Simplify right side
313,281.98x = 73,510,822,268.57 - Step 5: Solve for x
x = 73,510,822,268.57/313,281.98 - Step 6: Final answer
x = 234,647.46
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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.