Finding the Fourth Proportional to 342,291.61, 513,689.68 and 162,377.60
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Solution
The fourth proportional to 342,291.61, 513,689.68 and 162,377.60 is: 243,686.07
Step by Step Solution
- Step 1: Write the proportion equation
342,291.61 : 513,689.68 = 162,377.60 : x - Step 2: Convert to fraction form
342,291.61/513,689.68 = 162,377.60/x - Step 3: Cross multiply
342,291.61x = 513,689.68 × 162,377.60 - Step 4: Simplify right side
342,291.61x = 83,411,697,383.17 - Step 5: Solve for x
x = 83,411,697,383.17/342,291.61 - Step 6: Final answer
x = 243,686.07
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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.