Finding the Fourth Proportional to 458,652.05, 633,239.60 and 297,965.06
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Solution
The fourth proportional to 458,652.05, 633,239.60 and 297,965.06 is: 411,386.53
Step by Step Solution
- Step 1: Write the proportion equation
458,652.05 : 633,239.60 = 297,965.06 : x - Step 2: Convert to fraction form
458,652.05/633,239.60 = 297,965.06/x - Step 3: Cross multiply
458,652.05x = 633,239.60 × 297,965.06 - Step 4: Simplify right side
458,652.05x = 188,683,273,918.55 - Step 5: Solve for x
x = 188,683,273,918.55/458,652.05 - Step 6: Final answer
x = 411,386.53
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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.