Finding the Fourth Proportional to 369,430.08, 509,577.12 and 256,211.52
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Solution
The fourth proportional to 369,430.08, 509,577.12 and 256,211.52 is: 353,407.95
Step by Step Solution
- Step 1: Write the proportion equation
369,430.08 : 509,577.12 = 256,211.52 : x - Step 2: Convert to fraction form
369,430.08/509,577.12 = 256,211.52/x - Step 3: Cross multiply
369,430.08x = 509,577.12 × 256,211.52 - Step 4: Simplify right side
369,430.08x = 130,559,528,472.42 - Step 5: Solve for x
x = 130,559,528,472.42/369,430.08 - Step 6: Final answer
x = 353,407.95
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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.