Finding the Fourth Proportional to 470,547.36, 705,952.80 and 190,261.44
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Solution
The fourth proportional to 470,547.36, 705,952.80 and 190,261.44 is: 285,445.44
Step by Step Solution
- Step 1: Write the proportion equation
470,547.36 : 705,952.80 = 190,261.44 : x - Step 2: Convert to fraction form
470,547.36/705,952.80 = 190,261.44/x - Step 3: Cross multiply
470,547.36x = 705,952.80 × 190,261.44 - Step 4: Simplify right side
470,547.36x = 134,315,596,300.03 - Step 5: Solve for x
x = 134,315,596,300.03/470,547.36 - Step 6: Final answer
x = 285,445.44
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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.