Finding the Fourth Proportional to 295,315.80, 442,973.70 and 260,323.80
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Solution
The fourth proportional to 295,315.80, 442,973.70 and 260,323.80 is: 390,485.70
Step by Step Solution
- Step 1: Write the proportion equation
295,315.80 : 442,973.70 = 260,323.80 : x - Step 2: Convert to fraction form
295,315.80/442,973.70 = 260,323.80/x - Step 3: Cross multiply
295,315.80x = 442,973.70 × 260,323.80 - Step 4: Simplify right side
295,315.80x = 115,316,596,884.06 - Step 5: Solve for x
x = 115,316,596,884.06/295,315.80 - Step 6: Final answer
x = 390,485.70
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1.5x scale
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.