Finding the Fourth Proportional to 112,646.99, 155,454.45 and 62,345.99
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Solution
The fourth proportional to 112,646.99, 155,454.45 and 62,345.99 is: 86,038.35
Step by Step Solution
- Step 1: Write the proportion equation
112,646.99 : 155,454.45 = 62,345.99 : x - Step 2: Convert to fraction form
112,646.99/155,454.45 = 62,345.99/x - Step 3: Cross multiply
112,646.99x = 155,454.45 × 62,345.99 - Step 4: Simplify right side
112,646.99x = 9,691,961,585.16 - Step 5: Solve for x
x = 9,691,961,585.16/112,646.99 - Step 6: Final answer
x = 86,038.35
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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.