Finding the Fourth Proportional to 536,430.85, 804,643.99 and 137,070.98
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Solution
The fourth proportional to 536,430.85, 804,643.99 and 137,070.98 is: 205,605.88
Step by Step Solution
- Step 1: Write the proportion equation
536,430.85 : 804,643.99 = 137,070.98 : x - Step 2: Convert to fraction form
536,430.85/804,643.99 = 137,070.98/x - Step 3: Cross multiply
536,430.85x = 804,643.99 × 137,070.98 - Step 4: Simplify right side
536,430.85x = 110,293,335,894.51 - Step 5: Solve for x
x = 110,293,335,894.51/536,430.85 - Step 6: Final answer
x = 205,605.88
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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.