Finding the Fourth Proportional to 453,038.40, 679,133.16 and 153,309.14
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Solution
The fourth proportional to 453,038.40, 679,133.16 and 153,309.14 is: 229,820.08
Step by Step Solution
- Step 1: Write the proportion equation
453,038.40 : 679,133.16 = 153,309.14 : x - Step 2: Convert to fraction form
453,038.40/679,133.16 = 153,309.14/x - Step 3: Cross multiply
453,038.40x = 679,133.16 × 153,309.14 - Step 4: Simplify right side
453,038.40x = 104,117,320,705.08 - Step 5: Solve for x
x = 104,117,320,705.08/453,038.40 - Step 6: Final answer
x = 229,820.08
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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.