Finding the Fourth Proportional to 430,513.04, 645,763.08 and 193,688.48
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Solution
The fourth proportional to 430,513.04, 645,763.08 and 193,688.48 is: 290,529.80
Step by Step Solution
- Step 1: Write the proportion equation
430,513.04 : 645,763.08 = 193,688.48 : x - Step 2: Convert to fraction form
430,513.04/645,763.08 = 193,688.48/x - Step 3: Cross multiply
430,513.04x = 645,763.08 × 193,688.48 - Step 4: Simplify right side
430,513.04x = 125,076,869,405.32 - Step 5: Solve for x
x = 125,076,869,405.32/430,513.04 - Step 6: Final answer
x = 290,529.80
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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.