Finding the Fourth Proportional to 454,235.98, 626,840.62 and 258,001.08
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Solution
The fourth proportional to 454,235.98, 626,840.62 and 258,001.08 is: 356,038.63
Step by Step Solution
- Step 1: Write the proportion equation
454,235.98 : 626,840.62 = 258,001.08 : x - Step 2: Convert to fraction form
454,235.98/626,840.62 = 258,001.08/x - Step 3: Cross multiply
454,235.98x = 626,840.62 × 258,001.08 - Step 4: Simplify right side
454,235.98x = 161,725,556,947.87 - Step 5: Solve for x
x = 161,725,556,947.87/454,235.98 - Step 6: Final answer
x = 356,038.63
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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.