Finding the Fourth Proportional to 645,605.19, 968,518.08 and 266,318.58
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Solution
The fourth proportional to 645,605.19, 968,518.08 and 266,318.58 is: 399,523.37
Step by Step Solution
- Step 1: Write the proportion equation
645,605.19 : 968,518.08 = 266,318.58 : x - Step 2: Convert to fraction form
645,605.19/968,518.08 = 266,318.58/x - Step 3: Cross multiply
645,605.19x = 968,518.08 × 266,318.58 - Step 4: Simplify right side
645,605.19x = 257,934,359,769.93 - Step 5: Solve for x
x = 257,934,359,769.93/645,605.19 - Step 6: Final answer
x = 399,523.37
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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.