Finding the Fourth Proportional to 148,309.33, 204,681.57 and 84,656.70
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Solution
The fourth proportional to 148,309.33, 204,681.57 and 84,656.70 is: 116,834.63
Step by Step Solution
- Step 1: Write the proportion equation
148,309.33 : 204,681.57 = 84,656.70 : x - Step 2: Convert to fraction form
148,309.33/204,681.57 = 84,656.70/x - Step 3: Cross multiply
148,309.33x = 204,681.57 × 84,656.70 - Step 4: Simplify right side
148,309.33x = 17,327,666,267.02 - Step 5: Solve for x
x = 17,327,666,267.02/148,309.33 - Step 6: Final answer
x = 116,834.63
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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.