Finding the Fourth Proportional to 357,730.74, 493,560.76 and 214,438.50
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Solution
The fourth proportional to 357,730.74, 493,560.76 and 214,438.50 is: 295,860.59
Step by Step Solution
- Step 1: Write the proportion equation
357,730.74 : 493,560.76 = 214,438.50 : x - Step 2: Convert to fraction form
357,730.74/493,560.76 = 214,438.50/x - Step 3: Cross multiply
357,730.74x = 493,560.76 × 214,438.50 - Step 4: Simplify right side
357,730.74x = 105,838,429,033.26 - Step 5: Solve for x
x = 105,838,429,033.26/357,730.74 - Step 6: Final answer
x = 295,860.59
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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.