Finding the Fourth Proportional to 148,455.84, 204,866.54 and 83,924.07
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Solution
The fourth proportional to 148,455.84, 204,866.54 and 83,924.07 is: 115,813.80
Step by Step Solution
- Step 1: Write the proportion equation
148,455.84 : 204,866.54 = 83,924.07 : x - Step 2: Convert to fraction form
148,455.84/204,866.54 = 83,924.07/x - Step 3: Cross multiply
148,455.84x = 204,866.54 × 83,924.07 - Step 4: Simplify right side
148,455.84x = 17,193,234,935.06 - Step 5: Solve for x
x = 17,193,234,935.06/148,455.84 - Step 6: Final answer
x = 115,813.80
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1.5x scale
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.