Finding the Fourth Proportional to 156,957.04, 235,430.34 and 68,210.63
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Solution
The fourth proportional to 156,957.04, 235,430.34 and 68,210.63 is: 102,313.68
Step by Step Solution
- Step 1: Write the proportion equation
156,957.04 : 235,430.34 = 68,210.63 : x - Step 2: Convert to fraction form
156,957.04/235,430.34 = 68,210.63/x - Step 3: Cross multiply
156,957.04x = 235,430.34 × 68,210.63 - Step 4: Simplify right side
156,957.04x = 16,058,851,812.51 - Step 5: Solve for x
x = 16,058,851,812.51/156,957.04 - Step 6: Final answer
x = 102,313.68
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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.